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Finding the Fourth Proportional to 322,750.94, 445,342.19 and 179,491.82

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Solution

The fourth proportional to 322,750.94, 445,342.19 and 179,491.82 is: 247,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,750.94 : 445,342.19 = 179,491.82 : x
  2. Step 2: Convert to fraction form
    322,750.94/445,342.19 = 179,491.82/x
  3. Step 3: Cross multiply
    322,750.94x = 445,342.19 × 179,491.82
  4. Step 4: Simplify right side
    322,750.94x = 79,935,277,081.72
  5. Step 5: Solve for x
    x = 79,935,277,081.72/322,750.94
  6. Step 6: Final answer
    x = 247,668.62

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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.