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Finding the Fourth Proportional to 322,532.58, 445,067.61 and 177,330.57

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Solution

The fourth proportional to 322,532.58, 445,067.61 and 177,330.57 is: 244,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,532.58 : 445,067.61 = 177,330.57 : x
  2. Step 2: Convert to fraction form
    322,532.58/445,067.61 = 177,330.57/x
  3. Step 3: Cross multiply
    322,532.58x = 445,067.61 × 177,330.57
  4. Step 4: Simplify right side
    322,532.58x = 78,924,092,969.84
  5. Step 5: Solve for x
    x = 78,924,092,969.84/322,532.58
  6. Step 6: Final answer
    x = 244,701.15

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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.