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Finding the Fourth Proportional to 658,331.44, 987,497.57 and 159,695.44

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Solution

The fourth proportional to 658,331.44, 987,497.57 and 159,695.44 is: 239,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,331.44 : 987,497.57 = 159,695.44 : x
  2. Step 2: Convert to fraction form
    658,331.44/987,497.57 = 159,695.44/x
  3. Step 3: Cross multiply
    658,331.44x = 987,497.57 × 159,695.44
  4. Step 4: Simplify right side
    658,331.44x = 157,698,856,870.58
  5. Step 5: Solve for x
    x = 157,698,856,870.58/658,331.44
  6. Step 6: Final answer
    x = 239,543.26

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Similar ratio
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1.5x scale

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.