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Finding the Fourth Proportional to 491,770.73, 737,218.46 and 192,183.17

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Solution

The fourth proportional to 491,770.73, 737,218.46 and 192,183.17 is: 288,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,770.73 : 737,218.46 = 192,183.17 : x
  2. Step 2: Convert to fraction form
    491,770.73/737,218.46 = 192,183.17/x
  3. Step 3: Cross multiply
    491,770.73x = 737,218.46 × 192,183.17
  4. Step 4: Simplify right side
    491,770.73x = 141,680,977,419.68
  5. Step 5: Solve for x
    x = 141,680,977,419.68/491,770.73
  6. Step 6: Final answer
    x = 288,103.72

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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.