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Finding the Fourth Proportional to 269,939.52, 404,910.72 and 177,033.60

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Solution

The fourth proportional to 269,939.52, 404,910.72 and 177,033.60 is: 265,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,939.52 : 404,910.72 = 177,033.60 : x
  2. Step 2: Convert to fraction form
    269,939.52/404,910.72 = 177,033.60/x
  3. Step 3: Cross multiply
    269,939.52x = 404,910.72 × 177,033.60
  4. Step 4: Simplify right side
    269,939.52x = 71,682,802,440.19
  5. Step 5: Solve for x
    x = 71,682,802,440.19/269,939.52
  6. Step 6: Final answer
    x = 265,551.34

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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.