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Finding the Fourth Proportional to 269,671.44, 404,503.92 and 69,974.04

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Solution

The fourth proportional to 269,671.44, 404,503.92 and 69,974.04 is: 104,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,671.44 : 404,503.92 = 69,974.04 : x
  2. Step 2: Convert to fraction form
    269,671.44/404,503.92 = 69,974.04/x
  3. Step 3: Cross multiply
    269,671.44x = 404,503.92 × 69,974.04
  4. Step 4: Simplify right side
    269,671.44x = 28,304,773,478.24
  5. Step 5: Solve for x
    x = 28,304,773,478.24/269,671.44
  6. Step 6: Final answer
    x = 104,960.22

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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.