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Finding the Fourth Proportional to 624,392.32, 861,661.39 and 337,912.41

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Solution

The fourth proportional to 624,392.32, 861,661.39 and 337,912.41 is: 466,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,392.32 : 861,661.39 = 337,912.41 : x
  2. Step 2: Convert to fraction form
    624,392.32/861,661.39 = 337,912.41/x
  3. Step 3: Cross multiply
    624,392.32x = 861,661.39 × 337,912.41
  4. Step 4: Simplify right side
    624,392.32x = 291,166,076,898.85
  5. Step 5: Solve for x
    x = 291,166,076,898.85/624,392.32
  6. Step 6: Final answer
    x = 466,319.12

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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.