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Finding the Fourth Proportional to 624,469.41, 861,768.72 and 337,989.42

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Solution

The fourth proportional to 624,469.41, 861,768.72 and 337,989.42 is: 466,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,469.41 : 861,768.72 = 337,989.42 : x
  2. Step 2: Convert to fraction form
    624,469.41/861,768.72 = 337,989.42/x
  3. Step 3: Cross multiply
    624,469.41x = 861,768.72 × 337,989.42
  4. Step 4: Simplify right side
    624,469.41x = 291,268,709,846.94
  5. Step 5: Solve for x
    x = 291,268,709,846.94/624,469.41
  6. Step 6: Final answer
    x = 466,425.91

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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.