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Finding the Fourth Proportional to 438,732.72, 658,099.22 and 158,249.97

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Solution

The fourth proportional to 438,732.72, 658,099.22 and 158,249.97 is: 237,375.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,732.72 : 658,099.22 = 158,249.97 : x
  2. Step 2: Convert to fraction form
    438,732.72/658,099.22 = 158,249.97/x
  3. Step 3: Cross multiply
    438,732.72x = 658,099.22 × 158,249.97
  4. Step 4: Simplify right side
    438,732.72x = 104,144,181,030.77
  5. Step 5: Solve for x
    x = 104,144,181,030.77/438,732.72
  6. Step 6: Final answer
    x = 237,375.00

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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.