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Finding the Fourth Proportional to 269,491.10, 404,569.45 and 169,651.10

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Solution

The fourth proportional to 269,491.10, 404,569.45 and 169,651.10 is: 254,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,491.10 : 404,569.45 = 169,651.10 : x
  2. Step 2: Convert to fraction form
    269,491.10/404,569.45 = 169,651.10/x
  3. Step 3: Cross multiply
    269,491.10x = 404,569.45 × 169,651.10
  4. Step 4: Simplify right side
    269,491.10x = 68,635,652,218.90
  5. Step 5: Solve for x
    x = 68,635,652,218.90/269,491.10
  6. Step 6: Final answer
    x = 254,686.16

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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.