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Finding the Fourth Proportional to 322,994.55, 445,728.14 and 179,754.56

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Solution

The fourth proportional to 322,994.55, 445,728.14 and 179,754.56 is: 248,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,994.55 : 445,728.14 = 179,754.56 : x
  2. Step 2: Convert to fraction form
    322,994.55/445,728.14 = 179,754.56/x
  3. Step 3: Cross multiply
    322,994.55x = 445,728.14 × 179,754.56
  4. Step 4: Simplify right side
    322,994.55x = 80,121,663,456.68
  5. Step 5: Solve for x
    x = 80,121,663,456.68/322,994.55
  6. Step 6: Final answer
    x = 248,058.87

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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.