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Finding the Fourth Proportional to 531,517.48, 733,792.64 and 368,411.04

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Solution

The fourth proportional to 531,517.48, 733,792.64 and 368,411.04 is: 508,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,517.48 : 733,792.64 = 368,411.04 : x
  2. Step 2: Convert to fraction form
    531,517.48/733,792.64 = 368,411.04/x
  3. Step 3: Cross multiply
    531,517.48x = 733,792.64 × 368,411.04
  4. Step 4: Simplify right side
    531,517.48x = 270,337,309,646.75
  5. Step 5: Solve for x
    x = 270,337,309,646.75/531,517.48
  6. Step 6: Final answer
    x = 508,614.15

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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.