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Finding the Fourth Proportional to 580,110.52, 800,540.44 and 321,972.32

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Solution

The fourth proportional to 580,110.52, 800,540.44 and 321,972.32 is: 444,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,110.52 : 800,540.44 = 321,972.32 : x
  2. Step 2: Convert to fraction form
    580,110.52/800,540.44 = 321,972.32/x
  3. Step 3: Cross multiply
    580,110.52x = 800,540.44 × 321,972.32
  4. Step 4: Simplify right side
    580,110.52x = 257,751,862,720.62
  5. Step 5: Solve for x
    x = 257,751,862,720.62/580,110.52
  6. Step 6: Final answer
    x = 444,315.10

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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.