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Finding the Fourth Proportional to 322,429.68, 444,942.30 and 177,235.95

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Solution

The fourth proportional to 322,429.68, 444,942.30 and 177,235.95 is: 244,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,429.68 : 444,942.30 = 177,235.95 : x
  2. Step 2: Convert to fraction form
    322,429.68/444,942.30 = 177,235.95/x
  3. Step 3: Cross multiply
    322,429.68x = 444,942.30 × 177,235.95
  4. Step 4: Simplify right side
    322,429.68x = 78,859,771,235.69
  5. Step 5: Solve for x
    x = 78,859,771,235.69/322,429.68
  6. Step 6: Final answer
    x = 244,579.75

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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.