Why so large hashrate? I assume you want Scrypt hashrate...
You can try service like leaserig:
https://bitcointalk.org/index.php?topic=414009.0 - 30MH/s for 2 days will cost you about 1.1 BTC there. So your 0.24 BTC will do for maybe 12 hours, which could be enough to convert your fiat into remaining about 0.85 BTC that you need (and then pay for the rest)