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Finding the Fourth Proportional to 624,263.96, 861,481.50 and 337,789.10

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Solution

The fourth proportional to 624,263.96, 861,481.50 and 337,789.10 is: 466,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,263.96 : 861,481.50 = 337,789.10 : x
  2. Step 2: Convert to fraction form
    624,263.96/861,481.50 = 337,789.10/x
  3. Step 3: Cross multiply
    624,263.96x = 861,481.50 × 337,789.10
  4. Step 4: Simplify right side
    624,263.96x = 290,999,060,551.65
  5. Step 5: Solve for x
    x = 290,999,060,551.65/624,263.96
  6. Step 6: Final answer
    x = 466,147.46

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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.