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Finding the Fourth Proportional to 322,891.54, 445,611.62 and 179,651.88

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Solution

The fourth proportional to 322,891.54, 445,611.62 and 179,651.88 is: 247,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,891.54 : 445,611.62 = 179,651.88 : x
  2. Step 2: Convert to fraction form
    322,891.54/445,611.62 = 179,651.88/x
  3. Step 3: Cross multiply
    322,891.54x = 445,611.62 × 179,651.88
  4. Step 4: Simplify right side
    322,891.54x = 80,054,965,282.85
  5. Step 5: Solve for x
    x = 80,054,965,282.85/322,891.54
  6. Step 6: Final answer
    x = 247,931.44

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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.