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Finding the Fourth Proportional to 372,958.62, 559,379.88 and 204,561.78

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Solution

The fourth proportional to 372,958.62, 559,379.88 and 204,561.78 is: 306,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,958.62 : 559,379.88 = 204,561.78 : x
  2. Step 2: Convert to fraction form
    372,958.62/559,379.88 = 204,561.78/x
  3. Step 3: Cross multiply
    372,958.62x = 559,379.88 × 204,561.78
  4. Step 4: Simplify right side
    372,958.62x = 114,427,743,948.99
  5. Step 5: Solve for x
    x = 114,427,743,948.99/372,958.62
  6. Step 6: Final answer
    x = 306,810.83

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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.