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Finding the Fourth Proportional to 322,793.88, 445,460.46 and 195,481.56

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Solution

The fourth proportional to 322,793.88, 445,460.46 and 195,481.56 is: 269,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,793.88 : 445,460.46 = 195,481.56 : x
  2. Step 2: Convert to fraction form
    322,793.88/445,460.46 = 195,481.56/x
  3. Step 3: Cross multiply
    322,793.88x = 445,460.46 × 195,481.56
  4. Step 4: Simplify right side
    322,793.88x = 87,079,305,639.12
  5. Step 5: Solve for x
    x = 87,079,305,639.12/322,793.88
  6. Step 6: Final answer
    x = 269,767.52

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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.