Video platform Vimeo Inc. has finalyzed a $300 million fundraising round that puts the company’s value up at $5 billion, an 82% leap from a raise three months ago.The round was led by funds and accounts advised by T. Rowe Price Associates Inc. and financial-services firm Oberndorf Enterprises LLC. The new capital will be used to ignite its growth, innovation and talent, Vimeo parent IAC/InterActiveCorp said Monday.In November, Vimeo raised $150 million from technology-investment firm Thrive Capital and Singapore’s sovereign-wealth fund GIC Private Ltd. That investment valued the business at $2.75 billion.Last month, IAC, an internet holding company, said it planned to spin off the online-video platform, in a deal expected to close in the second quarter. IAC shareholders will receive a proportionate amount of Vimeo stock, the company said.