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Finding the Fourth Proportional to 324,676.62, 487,144.10 and 124,943.38

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Solution

The fourth proportional to 324,676.62, 487,144.10 and 124,943.38 is: 187,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,676.62 : 487,144.10 = 124,943.38 : x
  2. Step 2: Convert to fraction form
    324,676.62/487,144.10 = 124,943.38/x
  3. Step 3: Cross multiply
    324,676.62x = 487,144.10 × 124,943.38
  4. Step 4: Simplify right side
    324,676.62x = 60,865,430,401.06
  5. Step 5: Solve for x
    x = 60,865,430,401.06/324,676.62
  6. Step 6: Final answer
    x = 187,464.78

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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.