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Finding the Fourth Proportional to 624,086.64, 861,236.97 and 337,606.02

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Solution

The fourth proportional to 624,086.64, 861,236.97 and 337,606.02 is: 465,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,086.64 : 861,236.97 = 337,606.02 : x
  2. Step 2: Convert to fraction form
    624,086.64/861,236.97 = 337,606.02/x
  3. Step 3: Cross multiply
    624,086.64x = 861,236.97 × 337,606.02
  4. Step 4: Simplify right side
    624,086.64x = 290,758,785,718.56
  5. Step 5: Solve for x
    x = 290,758,785,718.56/624,086.64
  6. Step 6: Final answer
    x = 465,894.90

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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.