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Finding the Fourth Proportional to 544,884.22, 752,212.50 and 422,103.30

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Solution

The fourth proportional to 544,884.22, 752,212.50 and 422,103.30 is: 582,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,884.22 : 752,212.50 = 422,103.30 : x
  2. Step 2: Convert to fraction form
    544,884.22/752,212.50 = 422,103.30/x
  3. Step 3: Cross multiply
    544,884.22x = 752,212.50 × 422,103.30
  4. Step 4: Simplify right side
    544,884.22x = 317,511,379,565.93
  5. Step 5: Solve for x
    x = 317,511,379,565.93/544,884.22
  6. Step 6: Final answer
    x = 582,713.48

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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.