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Finding the Fourth Proportional to 491,222.25, 736,833.33 and 136,236.27

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Solution

The fourth proportional to 491,222.25, 736,833.33 and 136,236.27 is: 204,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,222.25 : 736,833.33 = 136,236.27 : x
  2. Step 2: Convert to fraction form
    491,222.25/736,833.33 = 136,236.27/x
  3. Step 3: Cross multiply
    491,222.25x = 736,833.33 × 136,236.27
  4. Step 4: Simplify right side
    491,222.25x = 100,383,424,490.88
  5. Step 5: Solve for x
    x = 100,383,424,490.88/491,222.25
  6. Step 6: Final answer
    x = 204,354.39

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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.