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Finding the Fourth Proportional to 269,564.80, 404,638.80 and 169,837.60

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Solution

The fourth proportional to 269,564.80, 404,638.80 and 169,837.60 is: 254,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,564.80 : 404,638.80 = 169,837.60 : x
  2. Step 2: Convert to fraction form
    269,564.80/404,638.80 = 169,837.60/x
  3. Step 3: Cross multiply
    269,564.80x = 404,638.80 × 169,837.60
  4. Step 4: Simplify right side
    269,564.80x = 68,722,882,658.88
  5. Step 5: Solve for x
    x = 68,722,882,658.88/269,564.80
  6. Step 6: Final answer
    x = 254,940.12

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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.