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Finding the Fourth Proportional to 324,067.40, 486,101.10 and 181,766.60

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Solution

The fourth proportional to 324,067.40, 486,101.10 and 181,766.60 is: 272,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,067.40 : 486,101.10 = 181,766.60 : x
  2. Step 2: Convert to fraction form
    324,067.40/486,101.10 = 181,766.60/x
  3. Step 3: Cross multiply
    324,067.40x = 486,101.10 × 181,766.60
  4. Step 4: Simplify right side
    324,067.40x = 88,356,944,203.26
  5. Step 5: Solve for x
    x = 88,356,944,203.26/324,067.40
  6. Step 6: Final answer
    x = 272,649.90

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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.