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Finding the Fourth Proportional to 322,576.38, 445,130.19 and 179,327.70

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Solution

The fourth proportional to 322,576.38, 445,130.19 and 179,327.70 is: 247,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,576.38 : 445,130.19 = 179,327.70 : x
  2. Step 2: Convert to fraction form
    322,576.38/445,130.19 = 179,327.70/x
  3. Step 3: Cross multiply
    322,576.38x = 445,130.19 × 179,327.70
  4. Step 4: Simplify right side
    322,576.38x = 79,824,173,173.26
  5. Step 5: Solve for x
    x = 79,824,173,173.26/322,576.38
  6. Step 6: Final answer
    x = 247,458.21

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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.