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Finding the Fourth Proportional to 491,400.22, 737,104.42 and 136,441.92

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Solution

The fourth proportional to 491,400.22, 737,104.42 and 136,441.92 is: 204,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,400.22 : 737,104.42 = 136,441.92 : x
  2. Step 2: Convert to fraction form
    491,400.22/737,104.42 = 136,441.92/x
  3. Step 3: Cross multiply
    491,400.22x = 737,104.42 × 136,441.92
  4. Step 4: Simplify right side
    491,400.22x = 100,571,942,305.29
  5. Step 5: Solve for x
    x = 100,571,942,305.29/491,400.22
  6. Step 6: Final answer
    x = 204,664.02

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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.