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Finding the Fourth Proportional to 269,668.80, 404,503.20 and 179,467.20

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Solution

The fourth proportional to 269,668.80, 404,503.20 and 179,467.20 is: 269,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,668.80 : 404,503.20 = 179,467.20 : x
  2. Step 2: Convert to fraction form
    269,668.80/404,503.20 = 179,467.20/x
  3. Step 3: Cross multiply
    269,668.80x = 404,503.20 × 179,467.20
  4. Step 4: Simplify right side
    269,668.80x = 72,595,056,695.04
  5. Step 5: Solve for x
    x = 72,595,056,695.04/269,668.80
  6. Step 6: Final answer
    x = 269,200.80

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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.