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Finding the Fourth Proportional to 275,958.10, 413,609.10 and 247,745.80

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Solution

The fourth proportional to 275,958.10, 413,609.10 and 247,745.80 is: 371,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,958.10 : 413,609.10 = 247,745.80 : x
  2. Step 2: Convert to fraction form
    275,958.10/413,609.10 = 247,745.80/x
  3. Step 3: Cross multiply
    275,958.10x = 413,609.10 × 247,745.80
  4. Step 4: Simplify right side
    275,958.10x = 102,469,917,366.78
  5. Step 5: Solve for x
    x = 102,469,917,366.78/275,958.10
  6. Step 6: Final answer
    x = 371,324.19

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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.