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Finding the Fourth Proportional to 218,251.98, 326,807.52 and 204,949.38

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Solution

The fourth proportional to 218,251.98, 326,807.52 and 204,949.38 is: 306,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,251.98 : 326,807.52 = 204,949.38 : x
  2. Step 2: Convert to fraction form
    218,251.98/326,807.52 = 204,949.38/x
  3. Step 3: Cross multiply
    218,251.98x = 326,807.52 × 204,949.38
  4. Step 4: Simplify right side
    218,251.98x = 66,978,998,603.34
  5. Step 5: Solve for x
    x = 66,978,998,603.34/218,251.98
  6. Step 6: Final answer
    x = 306,888.39

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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.