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Finding the Fourth Proportional to 444,447.24, 666,820.49 and 140,890.97

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Solution

The fourth proportional to 444,447.24, 666,820.49 and 140,890.97 is: 211,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,447.24 : 666,820.49 = 140,890.97 : x
  2. Step 2: Convert to fraction form
    444,447.24/666,820.49 = 140,890.97/x
  3. Step 3: Cross multiply
    444,447.24x = 666,820.49 × 140,890.97
  4. Step 4: Simplify right side
    444,447.24x = 93,948,981,613.42
  5. Step 5: Solve for x
    x = 93,948,981,613.42/444,447.24
  6. Step 6: Final answer
    x = 211,383.88

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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.