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Finding the Fourth Proportional to 322,508.16, 445,066.57 and 177,320.07

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Solution

The fourth proportional to 322,508.16, 445,066.57 and 177,320.07 is: 244,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,508.16 : 445,066.57 = 177,320.07 : x
  2. Step 2: Convert to fraction form
    322,508.16/445,066.57 = 177,320.07/x
  3. Step 3: Cross multiply
    322,508.16x = 445,066.57 × 177,320.07
  4. Step 4: Simplify right side
    322,508.16x = 78,919,233,121.73
  5. Step 5: Solve for x
    x = 78,919,233,121.73/322,508.16
  6. Step 6: Final answer
    x = 244,704.61

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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.