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Finding the Fourth Proportional to 437,426.97, 656,140.41 and 105,002.97

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Solution

The fourth proportional to 437,426.97, 656,140.41 and 105,002.97 is: 157,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,426.97 : 656,140.41 = 105,002.97 : x
  2. Step 2: Convert to fraction form
    437,426.97/656,140.41 = 105,002.97/x
  3. Step 3: Cross multiply
    437,426.97x = 656,140.41 × 105,002.97
  4. Step 4: Simplify right side
    437,426.97x = 68,896,691,787.02
  5. Step 5: Solve for x
    x = 68,896,691,787.02/437,426.97
  6. Step 6: Final answer
    x = 157,504.44

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.