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Finding the Fourth Proportional to 440,452.56, 660,722.44 and 140,857.86

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Solution

The fourth proportional to 440,452.56, 660,722.44 and 140,857.86 is: 211,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,452.56 : 660,722.44 = 140,857.86 : x
  2. Step 2: Convert to fraction form
    440,452.56/660,722.44 = 140,857.86/x
  3. Step 3: Cross multiply
    440,452.56x = 660,722.44 × 140,857.86
  4. Step 4: Simplify right side
    440,452.56x = 93,067,948,952.38
  5. Step 5: Solve for x
    x = 93,067,948,952.38/440,452.56
  6. Step 6: Final answer
    x = 211,300.73

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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.