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Finding the Fourth Proportional to 624,209.22, 861,402.60 and 337,723.02

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Solution

The fourth proportional to 624,209.22, 861,402.60 and 337,723.02 is: 466,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,209.22 : 861,402.60 = 337,723.02 : x
  2. Step 2: Convert to fraction form
    624,209.22/861,402.60 = 337,723.02/x
  3. Step 3: Cross multiply
    624,209.22x = 861,402.60 × 337,723.02
  4. Step 4: Simplify right side
    624,209.22x = 290,915,487,507.85
  5. Step 5: Solve for x
    x = 290,915,487,507.85/624,209.22
  6. Step 6: Final answer
    x = 466,054.45

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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.