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Finding the Fourth Proportional to 360,776.07, 541,350.84 and 261,753.57

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Solution

The fourth proportional to 360,776.07, 541,350.84 and 261,753.57 is: 392,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,776.07 : 541,350.84 = 261,753.57 : x
  2. Step 2: Convert to fraction form
    360,776.07/541,350.84 = 261,753.57/x
  3. Step 3: Cross multiply
    360,776.07x = 541,350.84 × 261,753.57
  4. Step 4: Simplify right side
    360,776.07x = 141,700,513,683.73
  5. Step 5: Solve for x
    x = 141,700,513,683.73/360,776.07
  6. Step 6: Final answer
    x = 392,765.83

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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.