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Finding the Fourth Proportional to 624,257.96, 861,473.22 and 337,783.10

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Solution

The fourth proportional to 624,257.96, 861,473.22 and 337,783.10 is: 466,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,257.96 : 861,473.22 = 337,783.10 : x
  2. Step 2: Convert to fraction form
    624,257.96/861,473.22 = 337,783.10/x
  3. Step 3: Cross multiply
    624,257.96x = 861,473.22 × 337,783.10
  4. Step 4: Simplify right side
    624,257.96x = 290,991,094,818.58
  5. Step 5: Solve for x
    x = 290,991,094,818.58/624,257.96
  6. Step 6: Final answer
    x = 466,139.18

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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.