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Finding the Fourth Proportional to 531,545.72, 733,710.84 and 316,753.16

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Solution

The fourth proportional to 531,545.72, 733,710.84 and 316,753.16 is: 437,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,545.72 : 733,710.84 = 316,753.16 : x
  2. Step 2: Convert to fraction form
    531,545.72/733,710.84 = 316,753.16/x
  3. Step 3: Cross multiply
    531,545.72x = 733,710.84 × 316,753.16
  4. Step 4: Simplify right side
    531,545.72x = 232,405,227,096.25
  5. Step 5: Solve for x
    x = 232,405,227,096.25/531,545.72
  6. Step 6: Final answer
    x = 437,225.28

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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.