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Finding the Fourth Proportional to 322,740.32, 445,375.26 and 179,497.28

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Solution

The fourth proportional to 322,740.32, 445,375.26 and 179,497.28 is: 247,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,740.32 : 445,375.26 = 179,497.28 : x
  2. Step 2: Convert to fraction form
    322,740.32/445,375.26 = 179,497.28/x
  3. Step 3: Cross multiply
    322,740.32x = 445,375.26 × 179,497.28
  4. Step 4: Simplify right side
    322,740.32x = 79,943,648,862.73
  5. Step 5: Solve for x
    x = 79,943,648,862.73/322,740.32
  6. Step 6: Final answer
    x = 247,702.70

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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.