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Finding the Fourth Proportional to 322,542.06, 445,119.47 and 177,358.90

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Solution

The fourth proportional to 322,542.06, 445,119.47 and 177,358.90 is: 244,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,542.06 : 445,119.47 = 177,358.90 : x
  2. Step 2: Convert to fraction form
    322,542.06/445,119.47 = 177,358.90/x
  3. Step 3: Cross multiply
    322,542.06x = 445,119.47 × 177,358.90
  4. Step 4: Simplify right side
    322,542.06x = 78,945,899,567.78
  5. Step 5: Solve for x
    x = 78,945,899,567.78/322,542.06
  6. Step 6: Final answer
    x = 244,761.57

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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.