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Finding the Fourth Proportional to 624,346.64, 861,598.32 and 337,866.72

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Solution

The fourth proportional to 624,346.64, 861,598.32 and 337,866.72 is: 466,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,346.64 : 861,598.32 = 337,866.72 : x
  2. Step 2: Convert to fraction form
    624,346.64/861,598.32 = 337,866.72/x
  3. Step 3: Cross multiply
    624,346.64x = 861,598.32 × 337,866.72
  4. Step 4: Simplify right side
    624,346.64x = 291,105,398,335.91
  5. Step 5: Solve for x
    x = 291,105,398,335.91/624,346.64
  6. Step 6: Final answer
    x = 466,256.05

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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.