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Finding the Fourth Proportional to 576,286.44, 795,350.52 and 321,690.48

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Solution

The fourth proportional to 576,286.44, 795,350.52 and 321,690.48 is: 443,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,286.44 : 795,350.52 = 321,690.48 : x
  2. Step 2: Convert to fraction form
    576,286.44/795,350.52 = 321,690.48/x
  3. Step 3: Cross multiply
    576,286.44x = 795,350.52 × 321,690.48
  4. Step 4: Simplify right side
    576,286.44x = 255,856,690,547.05
  5. Step 5: Solve for x
    x = 255,856,690,547.05/576,286.44
  6. Step 6: Final answer
    x = 443,974.86

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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.