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Finding the Fourth Proportional to 321,694.92, 482,377.50 and 169,973.48

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Solution

The fourth proportional to 321,694.92, 482,377.50 and 169,973.48 is: 254,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,694.92 : 482,377.50 = 169,973.48 : x
  2. Step 2: Convert to fraction form
    321,694.92/482,377.50 = 169,973.48/x
  3. Step 3: Cross multiply
    321,694.92x = 482,377.50 × 169,973.48
  4. Step 4: Simplify right side
    321,694.92x = 81,991,382,348.70
  5. Step 5: Solve for x
    x = 81,991,382,348.70/321,694.92
  6. Step 6: Final answer
    x = 254,873.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.