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Finding the Fourth Proportional to 379,147.43, 568,562.37 and 154,355.01

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Solution

The fourth proportional to 379,147.43, 568,562.37 and 154,355.01 is: 231,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,147.43 : 568,562.37 = 154,355.01 : x
  2. Step 2: Convert to fraction form
    379,147.43/568,562.37 = 154,355.01/x
  3. Step 3: Cross multiply
    379,147.43x = 568,562.37 × 154,355.01
  4. Step 4: Simplify right side
    379,147.43x = 87,760,450,306.97
  5. Step 5: Solve for x
    x = 87,760,450,306.97/379,147.43
  6. Step 6: Final answer
    x = 231,467.88

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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.