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Finding the Fourth Proportional to 624,372.57, 861,635.68 and 337,894.74

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Solution

The fourth proportional to 624,372.57, 861,635.68 and 337,894.74 is: 466,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,372.57 : 861,635.68 = 337,894.74 : x
  2. Step 2: Convert to fraction form
    624,372.57/861,635.68 = 337,894.74/x
  3. Step 3: Cross multiply
    624,372.57x = 861,635.68 × 337,894.74
  4. Step 4: Simplify right side
    624,372.57x = 291,142,163,223.59
  5. Step 5: Solve for x
    x = 291,142,163,223.59/624,372.57
  6. Step 6: Final answer
    x = 466,295.57

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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.