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Finding the Fourth Proportional to 322,610.40, 445,189.56 and 179,359.92

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Solution

The fourth proportional to 322,610.40, 445,189.56 and 179,359.92 is: 247,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,610.40 : 445,189.56 = 179,359.92 : x
  2. Step 2: Convert to fraction form
    322,610.40/445,189.56 = 179,359.92/x
  3. Step 3: Cross multiply
    322,610.40x = 445,189.56 × 179,359.92
  4. Step 4: Simplify right side
    322,610.40x = 79,849,163,866.44
  5. Step 5: Solve for x
    x = 79,849,163,866.44/322,610.40
  6. Step 6: Final answer
    x = 247,509.58

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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.