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Finding the Fourth Proportional to 408,310.83, 612,067.11 and 183,727.80

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Solution

The fourth proportional to 408,310.83, 612,067.11 and 183,727.80 is: 275,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,310.83 : 612,067.11 = 183,727.80 : x
  2. Step 2: Convert to fraction form
    408,310.83/612,067.11 = 183,727.80/x
  3. Step 3: Cross multiply
    408,310.83x = 612,067.11 × 183,727.80
  4. Step 4: Simplify right side
    408,310.83x = 112,453,743,572.66
  5. Step 5: Solve for x
    x = 112,453,743,572.66/408,310.83
  6. Step 6: Final answer
    x = 275,412.10

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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.