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Finding the Fourth Proportional to 322,692.91, 445,263.81 and 179,449.27

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Solution

The fourth proportional to 322,692.91, 445,263.81 and 179,449.27 is: 247,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,692.91 : 445,263.81 = 179,449.27 : x
  2. Step 2: Convert to fraction form
    322,692.91/445,263.81 = 179,449.27/x
  3. Step 3: Cross multiply
    322,692.91x = 445,263.81 × 179,449.27
  4. Step 4: Simplify right side
    322,692.91x = 79,902,265,661.92
  5. Step 5: Solve for x
    x = 79,902,265,661.92/322,692.91
  6. Step 6: Final answer
    x = 247,610.85

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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.