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Finding the Fourth Proportional to 491,407.33, 737,115.09 and 136,449.04

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Solution

The fourth proportional to 491,407.33, 737,115.09 and 136,449.04 is: 204,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,407.33 : 737,115.09 = 136,449.04 : x
  2. Step 2: Convert to fraction form
    491,407.33/737,115.09 = 136,449.04/x
  3. Step 3: Cross multiply
    491,407.33x = 737,115.09 × 136,449.04
  4. Step 4: Simplify right side
    491,407.33x = 100,578,646,400.01
  5. Step 5: Solve for x
    x = 100,578,646,400.01/491,407.33
  6. Step 6: Final answer
    x = 204,674.70

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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.