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Finding the Fourth Proportional to 439,049.84, 658,796.20 and 173,001.29

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Solution

The fourth proportional to 439,049.84, 658,796.20 and 173,001.29 is: 259,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,049.84 : 658,796.20 = 173,001.29 : x
  2. Step 2: Convert to fraction form
    439,049.84/658,796.20 = 173,001.29/x
  3. Step 3: Cross multiply
    439,049.84x = 658,796.20 × 173,001.29
  4. Step 4: Simplify right side
    439,049.84x = 113,972,593,661.59
  5. Step 5: Solve for x
    x = 113,972,593,661.59/439,049.84
  6. Step 6: Final answer
    x = 259,589.19

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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.