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Finding the Fourth Proportional to 269,616.20, 404,424.30 and 194,966.60

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Solution

The fourth proportional to 269,616.20, 404,424.30 and 194,966.60 is: 292,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,616.20 : 404,424.30 = 194,966.60 : x
  2. Step 2: Convert to fraction form
    269,616.20/404,424.30 = 194,966.60/x
  3. Step 3: Cross multiply
    269,616.20x = 404,424.30 × 194,966.60
  4. Step 4: Simplify right side
    269,616.20x = 78,849,230,728.38
  5. Step 5: Solve for x
    x = 78,849,230,728.38/269,616.20
  6. Step 6: Final answer
    x = 292,449.90

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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.