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Finding the Fourth Proportional to 539,952.28, 809,974.89 and 140,593.77

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Solution

The fourth proportional to 539,952.28, 809,974.89 and 140,593.77 is: 210,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,952.28 : 809,974.89 = 140,593.77 : x
  2. Step 2: Convert to fraction form
    539,952.28/809,974.89 = 140,593.77/x
  3. Step 3: Cross multiply
    539,952.28x = 809,974.89 × 140,593.77
  4. Step 4: Simplify right side
    539,952.28x = 113,877,423,390.44
  5. Step 5: Solve for x
    x = 113,877,423,390.44/539,952.28
  6. Step 6: Final answer
    x = 210,902.76

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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.