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Finding the Fourth Proportional to 417,286.86, 625,912.97 and 192,572.61

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Solution

The fourth proportional to 417,286.86, 625,912.97 and 192,572.61 is: 288,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,286.86 : 625,912.97 = 192,572.61 : x
  2. Step 2: Convert to fraction form
    417,286.86/625,912.97 = 192,572.61/x
  3. Step 3: Cross multiply
    417,286.86x = 625,912.97 × 192,572.61
  4. Step 4: Simplify right side
    417,286.86x = 120,533,693,302.89
  5. Step 5: Solve for x
    x = 120,533,693,302.89/417,286.86
  6. Step 6: Final answer
    x = 288,850.92

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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.