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Finding the Fourth Proportional to 322,734.92, 445,389.97 and 179,491.89

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Solution

The fourth proportional to 322,734.92, 445,389.97 and 179,491.89 is: 247,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,734.92 : 445,389.97 = 179,491.89 : x
  2. Step 2: Convert to fraction form
    322,734.92/445,389.97 = 179,491.89/x
  3. Step 3: Cross multiply
    322,734.92x = 445,389.97 × 179,491.89
  4. Step 4: Simplify right side
    322,734.92x = 79,943,887,502.34
  5. Step 5: Solve for x
    x = 79,943,887,502.34/322,734.92
  6. Step 6: Final answer
    x = 247,707.58

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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.