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Finding the Fourth Proportional to 218,252.98, 326,809.02 and 204,950.38

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Solution

The fourth proportional to 218,252.98, 326,809.02 and 204,950.38 is: 306,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,252.98 : 326,809.02 = 204,950.38 : x
  2. Step 2: Convert to fraction form
    218,252.98/326,809.02 = 204,950.38/x
  3. Step 3: Cross multiply
    218,252.98x = 326,809.02 × 204,950.38
  4. Step 4: Simplify right side
    218,252.98x = 66,979,632,836.43
  5. Step 5: Solve for x
    x = 66,979,632,836.43/218,252.98
  6. Step 6: Final answer
    x = 306,889.89

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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.