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Finding the Fourth Proportional to 440,354.38, 660,530.33 and 124,814.02

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Solution

The fourth proportional to 440,354.38, 660,530.33 and 124,814.02 is: 187,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,354.38 : 660,530.33 = 124,814.02 : x
  2. Step 2: Convert to fraction form
    440,354.38/660,530.33 = 124,814.02/x
  3. Step 3: Cross multiply
    440,354.38x = 660,530.33 × 124,814.02
  4. Step 4: Simplify right side
    440,354.38x = 82,443,445,819.23
  5. Step 5: Solve for x
    x = 82,443,445,819.23/440,354.38
  6. Step 6: Final answer
    x = 187,220.68

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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.