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Finding the Fourth Proportional to 322,696.20, 484,044.30 and 164,872.20

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Solution

The fourth proportional to 322,696.20, 484,044.30 and 164,872.20 is: 247,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,696.20 : 484,044.30 = 164,872.20 : x
  2. Step 2: Convert to fraction form
    322,696.20/484,044.30 = 164,872.20/x
  3. Step 3: Cross multiply
    322,696.20x = 484,044.30 × 164,872.20
  4. Step 4: Simplify right side
    322,696.20x = 79,805,448,638.46
  5. Step 5: Solve for x
    x = 79,805,448,638.46/322,696.20
  6. Step 6: Final answer
    x = 247,308.30

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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.