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Finding the Fourth Proportional to 325,757.74, 488,516.78 and 112,471.48

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Solution

The fourth proportional to 325,757.74, 488,516.78 and 112,471.48 is: 168,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,757.74 : 488,516.78 = 112,471.48 : x
  2. Step 2: Convert to fraction form
    325,757.74/488,516.78 = 112,471.48/x
  3. Step 3: Cross multiply
    325,757.74x = 488,516.78 × 112,471.48
  4. Step 4: Simplify right side
    325,757.74x = 54,944,205,251.43
  5. Step 5: Solve for x
    x = 54,944,205,251.43/325,757.74
  6. Step 6: Final answer
    x = 168,665.85

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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.