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Finding the Fourth Proportional to 441,403.82, 662,171.61 and 204,770.42

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Solution

The fourth proportional to 441,403.82, 662,171.61 and 204,770.42 is: 307,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,403.82 : 662,171.61 = 204,770.42 : x
  2. Step 2: Convert to fraction form
    441,403.82/662,171.61 = 204,770.42/x
  3. Step 3: Cross multiply
    441,403.82x = 662,171.61 × 204,770.42
  4. Step 4: Simplify right side
    441,403.82x = 135,593,158,691.78
  5. Step 5: Solve for x
    x = 135,593,158,691.78/441,403.82
  6. Step 6: Final answer
    x = 307,186.19

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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.