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Finding the Fourth Proportional to 322,606.44, 445,171.56 and 179,357.76

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Solution

The fourth proportional to 322,606.44, 445,171.56 and 179,357.76 is: 247,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,606.44 : 445,171.56 = 179,357.76 : x
  2. Step 2: Convert to fraction form
    322,606.44/445,171.56 = 179,357.76/x
  3. Step 3: Cross multiply
    322,606.44x = 445,171.56 × 179,357.76
  4. Step 4: Simplify right side
    322,606.44x = 79,844,973,817.31
  5. Step 5: Solve for x
    x = 79,844,973,817.31/322,606.44
  6. Step 6: Final answer
    x = 247,499.63

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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.