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Finding the Fourth Proportional to 413,074.89, 619,612.34 and 132,788.97

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Solution

The fourth proportional to 413,074.89, 619,612.34 and 132,788.97 is: 199,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,074.89 : 619,612.34 = 132,788.97 : x
  2. Step 2: Convert to fraction form
    413,074.89/619,612.34 = 132,788.97/x
  3. Step 3: Cross multiply
    413,074.89x = 619,612.34 × 132,788.97
  4. Step 4: Simplify right side
    413,074.89x = 82,277,683,763.95
  5. Step 5: Solve for x
    x = 82,277,683,763.95/413,074.89
  6. Step 6: Final answer
    x = 199,183.46

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Similar ratio
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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.