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Finding the Fourth Proportional to 517,249.20, 775,841.52 and 247,568.88

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Solution

The fourth proportional to 517,249.20, 775,841.52 and 247,568.88 is: 371,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,249.20 : 775,841.52 = 247,568.88 : x
  2. Step 2: Convert to fraction form
    517,249.20/775,841.52 = 247,568.88/x
  3. Step 3: Cross multiply
    517,249.20x = 775,841.52 × 247,568.88
  4. Step 4: Simplify right side
    517,249.20x = 192,074,216,163.90
  5. Step 5: Solve for x
    x = 192,074,216,163.90/517,249.20
  6. Step 6: Final answer
    x = 371,337.87

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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.