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Finding the Fourth Proportional to 491,220.25, 736,830.33 and 136,234.27

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Solution

The fourth proportional to 491,220.25, 736,830.33 and 136,234.27 is: 204,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,220.25 : 736,830.33 = 136,234.27 : x
  2. Step 2: Convert to fraction form
    491,220.25/736,830.33 = 136,234.27/x
  3. Step 3: Cross multiply
    491,220.25x = 736,830.33 × 136,234.27
  4. Step 4: Simplify right side
    491,220.25x = 100,381,540,380.96
  5. Step 5: Solve for x
    x = 100,381,540,380.96/491,220.25
  6. Step 6: Final answer
    x = 204,351.39

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Similar ratio
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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.