Finding the Fourth Proportional to 577,359.55, 796,734.79 and 322,714.99
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Solution
The fourth proportional to 577,359.55, 796,734.79 and 322,714.99 is: 445,334.73
Step by Step Solution
- Step 1: Write the proportion equation
577,359.55 : 796,734.79 = 322,714.99 : x - Step 2: Convert to fraction form
577,359.55/796,734.79 = 322,714.99/x - Step 3: Cross multiply
577,359.55x = 796,734.79 × 322,714.99 - Step 4: Simplify right side
577,359.55x = 257,118,259,787.50 - Step 5: Solve for x
x = 257,118,259,787.50/577,359.55 - Step 6: Final answer
x = 445,334.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.