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Finding the Fourth Proportional to 308,250.75, 462,469.37 and 218,467.11

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Solution

The fourth proportional to 308,250.75, 462,469.37 and 218,467.11 is: 327,766.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,250.75 : 462,469.37 = 218,467.11 : x
  2. Step 2: Convert to fraction form
    308,250.75/462,469.37 = 218,467.11/x
  3. Step 3: Cross multiply
    308,250.75x = 462,469.37 × 218,467.11
  4. Step 4: Simplify right side
    308,250.75x = 101,034,345,635.09
  5. Step 5: Solve for x
    x = 101,034,345,635.09/308,250.75
  6. Step 6: Final answer
    x = 327,766.75

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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.