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Finding the Fourth Proportional to 322,891.36, 445,592.28 and 179,657.44

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Solution

The fourth proportional to 322,891.36, 445,592.28 and 179,657.44 is: 247,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,891.36 : 445,592.28 = 179,657.44 : x
  2. Step 2: Convert to fraction form
    322,891.36/445,592.28 = 179,657.44/x
  3. Step 3: Cross multiply
    322,891.36x = 445,592.28 × 179,657.44
  4. Step 4: Simplify right side
    322,891.36x = 80,053,968,308.56
  5. Step 5: Solve for x
    x = 80,053,968,308.56/322,891.36
  6. Step 6: Final answer
    x = 247,928.49

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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.