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Finding the Fourth Proportional to 321,862.32, 444,067.26 and 185,878.32

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Solution

The fourth proportional to 321,862.32, 444,067.26 and 185,878.32 is: 256,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,862.32 : 444,067.26 = 185,878.32 : x
  2. Step 2: Convert to fraction form
    321,862.32/444,067.26 = 185,878.32/x
  3. Step 3: Cross multiply
    321,862.32x = 444,067.26 × 185,878.32
  4. Step 4: Simplify right side
    321,862.32x = 82,542,476,255.80
  5. Step 5: Solve for x
    x = 82,542,476,255.80/321,862.32
  6. Step 6: Final answer
    x = 256,452.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.