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Finding the Fourth Proportional to 322,481.30, 444,900.12 and 207,751.28

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Solution

The fourth proportional to 322,481.30, 444,900.12 and 207,751.28 is: 286,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,481.30 : 444,900.12 = 207,751.28 : x
  2. Step 2: Convert to fraction form
    322,481.30/444,900.12 = 207,751.28/x
  3. Step 3: Cross multiply
    322,481.30x = 444,900.12 × 207,751.28
  4. Step 4: Simplify right side
    322,481.30x = 92,428,569,402.15
  5. Step 5: Solve for x
    x = 92,428,569,402.15/322,481.30
  6. Step 6: Final answer
    x = 286,616.83

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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.