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Finding the Fourth Proportional to 322,568.38, 445,119.15 and 179,319.70

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Solution

The fourth proportional to 322,568.38, 445,119.15 and 179,319.70 is: 247,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,568.38 : 445,119.15 = 179,319.70 : x
  2. Step 2: Convert to fraction form
    322,568.38/445,119.15 = 179,319.70/x
  3. Step 3: Cross multiply
    322,568.38x = 445,119.15 × 179,319.70
  4. Step 4: Simplify right side
    322,568.38x = 79,818,632,442.26
  5. Step 5: Solve for x
    x = 79,818,632,442.26/322,568.38
  6. Step 6: Final answer
    x = 247,447.17

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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.