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Finding the Fourth Proportional to 322,694.62, 445,284.47 and 179,431.54

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Solution

The fourth proportional to 322,694.62, 445,284.47 and 179,431.54 is: 247,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,694.62 : 445,284.47 = 179,431.54 : x
  2. Step 2: Convert to fraction form
    322,694.62/445,284.47 = 179,431.54/x
  3. Step 3: Cross multiply
    322,694.62x = 445,284.47 × 179,431.54
  4. Step 4: Simplify right side
    322,694.62x = 79,898,078,190.18
  5. Step 5: Solve for x
    x = 79,898,078,190.18/322,694.62
  6. Step 6: Final answer
    x = 247,596.56

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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.