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Finding the Fourth Proportional to 252,280.87, 347,785.85 and 198,472.44

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Solution

The fourth proportional to 252,280.87, 347,785.85 and 198,472.44 is: 273,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,280.87 : 347,785.85 = 198,472.44 : x
  2. Step 2: Convert to fraction form
    252,280.87/347,785.85 = 198,472.44/x
  3. Step 3: Cross multiply
    252,280.87x = 347,785.85 × 198,472.44
  4. Step 4: Simplify right side
    252,280.87x = 69,025,906,246.97
  5. Step 5: Solve for x
    x = 69,025,906,246.97/252,280.87
  6. Step 6: Final answer
    x = 273,607.37

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1.5x scale

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.