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Finding the Fourth Proportional to 624,449.50, 861,740.26 and 337,969.57

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Solution

The fourth proportional to 624,449.50, 861,740.26 and 337,969.57 is: 466,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,449.50 : 861,740.26 = 337,969.57 : x
  2. Step 2: Convert to fraction form
    624,449.50/861,740.26 = 337,969.57/x
  3. Step 3: Cross multiply
    624,449.50x = 861,740.26 × 337,969.57
  4. Step 4: Simplify right side
    624,449.50x = 291,241,985,123.89
  5. Step 5: Solve for x
    x = 291,241,985,123.89/624,449.50
  6. Step 6: Final answer
    x = 466,397.98

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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.