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Finding the Fourth Proportional to 247,463.72, 341,500.80 and 134,286.46

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Solution

The fourth proportional to 247,463.72, 341,500.80 and 134,286.46 is: 185,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,463.72 : 341,500.80 = 134,286.46 : x
  2. Step 2: Convert to fraction form
    247,463.72/341,500.80 = 134,286.46/x
  3. Step 3: Cross multiply
    247,463.72x = 341,500.80 × 134,286.46
  4. Step 4: Simplify right side
    247,463.72x = 45,858,933,519.17
  5. Step 5: Solve for x
    x = 45,858,933,519.17/247,463.72
  6. Step 6: Final answer
    x = 185,315.78

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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.