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Finding the Fourth Proportional to 361,910.97, 542,778.98 and 151,706.25

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Solution

The fourth proportional to 361,910.97, 542,778.98 and 151,706.25 is: 227,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,910.97 : 542,778.98 = 151,706.25 : x
  2. Step 2: Convert to fraction form
    361,910.97/542,778.98 = 151,706.25/x
  3. Step 3: Cross multiply
    361,910.97x = 542,778.98 × 151,706.25
  4. Step 4: Simplify right side
    361,910.97x = 82,342,962,876.09
  5. Step 5: Solve for x
    x = 82,342,962,876.09/361,910.97
  6. Step 6: Final answer
    x = 227,522.71

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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.