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Finding the Fourth Proportional to 550,882.38, 826,187.49 and 151,503.78

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Solution

The fourth proportional to 550,882.38, 826,187.49 and 151,503.78 is: 227,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,882.38 : 826,187.49 = 151,503.78 : x
  2. Step 2: Convert to fraction form
    550,882.38/826,187.49 = 151,503.78/x
  3. Step 3: Cross multiply
    550,882.38x = 826,187.49 × 151,503.78
  4. Step 4: Simplify right side
    550,882.38x = 125,170,527,723.71
  5. Step 5: Solve for x
    x = 125,170,527,723.71/550,882.38
  6. Step 6: Final answer
    x = 227,218.25

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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.