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Finding the Fourth Proportional to 624,211.72, 861,406.05 and 337,725.52

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Solution

The fourth proportional to 624,211.72, 861,406.05 and 337,725.52 is: 466,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,211.72 : 861,406.05 = 337,725.52 : x
  2. Step 2: Convert to fraction form
    624,211.72/861,406.05 = 337,725.52/x
  3. Step 3: Cross multiply
    624,211.72x = 861,406.05 × 337,725.52
  4. Step 4: Simplify right side
    624,211.72x = 290,918,806,167.40
  5. Step 5: Solve for x
    x = 290,918,806,167.40/624,211.72
  6. Step 6: Final answer
    x = 466,057.90

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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.