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Finding the Fourth Proportional to 624,362.64, 861,622.56 and 337,882.64

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Solution

The fourth proportional to 624,362.64, 861,622.56 and 337,882.64 is: 466,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,362.64 : 861,622.56 = 337,882.64 : x
  2. Step 2: Convert to fraction form
    624,362.64/861,622.56 = 337,882.64/x
  3. Step 3: Cross multiply
    624,362.64x = 861,622.56 × 337,882.64
  4. Step 4: Simplify right side
    624,362.64x = 291,127,305,256.36
  5. Step 5: Solve for x
    x = 291,127,305,256.36/624,362.64
  6. Step 6: Final answer
    x = 466,279.19

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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.