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Finding the Fourth Proportional to 481,876.89, 665,011.25 and 267,016.42

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Solution

The fourth proportional to 481,876.89, 665,011.25 and 267,016.42 is: 368,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,876.89 : 665,011.25 = 267,016.42 : x
  2. Step 2: Convert to fraction form
    481,876.89/665,011.25 = 267,016.42/x
  3. Step 3: Cross multiply
    481,876.89x = 665,011.25 × 267,016.42
  4. Step 4: Simplify right side
    481,876.89x = 177,568,923,234.73
  5. Step 5: Solve for x
    x = 177,568,923,234.73/481,876.89
  6. Step 6: Final answer
    x = 368,494.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.