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Finding the Fourth Proportional to 269,553.10, 404,662.45 and 169,713.10

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Solution

The fourth proportional to 269,553.10, 404,662.45 and 169,713.10 is: 254,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,553.10 : 404,662.45 = 169,713.10 : x
  2. Step 2: Convert to fraction form
    269,553.10/404,662.45 = 169,713.10/x
  3. Step 3: Cross multiply
    269,553.10x = 404,662.45 × 169,713.10
  4. Step 4: Simplify right side
    269,553.10x = 68,676,518,843.10
  5. Step 5: Solve for x
    x = 68,676,518,843.10/269,553.10
  6. Step 6: Final answer
    x = 254,779.18

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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.