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Finding the Fourth Proportional to 322,713.32, 445,338.05 and 179,470.28

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Solution

The fourth proportional to 322,713.32, 445,338.05 and 179,470.28 is: 247,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,713.32 : 445,338.05 = 179,470.28 : x
  2. Step 2: Convert to fraction form
    322,713.32/445,338.05 = 179,470.28/x
  3. Step 3: Cross multiply
    322,713.32x = 445,338.05 × 179,470.28
  4. Step 4: Simplify right side
    322,713.32x = 79,924,945,753.67
  5. Step 5: Solve for x
    x = 79,924,945,753.67/322,713.32
  6. Step 6: Final answer
    x = 247,665.47

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1.5x scale

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.