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Finding the Fourth Proportional to 303,233.38, 418,596.56 and 195,855.78

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Solution

The fourth proportional to 303,233.38, 418,596.56 and 195,855.78 is: 270,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,233.38 : 418,596.56 = 195,855.78 : x
  2. Step 2: Convert to fraction form
    303,233.38/418,596.56 = 195,855.78/x
  3. Step 3: Cross multiply
    303,233.38x = 418,596.56 × 195,855.78
  4. Step 4: Simplify right side
    303,233.38x = 81,984,555,764.12
  5. Step 5: Solve for x
    x = 81,984,555,764.12/303,233.38
  6. Step 6: Final answer
    x = 270,367.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.