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Finding the Fourth Proportional to 332,843.34, 499,389.73 and 172,819.38

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Solution

The fourth proportional to 332,843.34, 499,389.73 and 172,819.38 is: 259,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,843.34 : 499,389.73 = 172,819.38 : x
  2. Step 2: Convert to fraction form
    332,843.34/499,389.73 = 172,819.38/x
  3. Step 3: Cross multiply
    332,843.34x = 499,389.73 × 172,819.38
  4. Step 4: Simplify right side
    332,843.34x = 86,304,223,516.97
  5. Step 5: Solve for x
    x = 86,304,223,516.97/332,843.34
  6. Step 6: Final answer
    x = 259,293.83

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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.