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Finding the Fourth Proportional to 463,108.44, 639,123.98 and 259,179.78

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Solution

The fourth proportional to 463,108.44, 639,123.98 and 259,179.78 is: 357,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,108.44 : 639,123.98 = 259,179.78 : x
  2. Step 2: Convert to fraction form
    463,108.44/639,123.98 = 259,179.78/x
  3. Step 3: Cross multiply
    463,108.44x = 639,123.98 × 259,179.78
  4. Step 4: Simplify right side
    463,108.44x = 165,648,011,233.23
  5. Step 5: Solve for x
    x = 165,648,011,233.23/463,108.44
  6. Step 6: Final answer
    x = 357,687.31

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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.