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Finding the Fourth Proportional to 322,398.30, 444,900.78 and 179,154.66

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Solution

The fourth proportional to 322,398.30, 444,900.78 and 179,154.66 is: 247,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,398.30 : 444,900.78 = 179,154.66 : x
  2. Step 2: Convert to fraction form
    322,398.30/444,900.78 = 179,154.66/x
  3. Step 3: Cross multiply
    322,398.30x = 444,900.78 × 179,154.66
  4. Step 4: Simplify right side
    322,398.30x = 79,706,047,974.63
  5. Step 5: Solve for x
    x = 79,706,047,974.63/322,398.30
  6. Step 6: Final answer
    x = 247,228.50

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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.