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Finding the Fourth Proportional to 576,214.88, 795,251.76 and 321,618.92

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Solution

The fourth proportional to 576,214.88, 795,251.76 and 321,618.92 is: 443,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,214.88 : 795,251.76 = 321,618.92 : x
  2. Step 2: Convert to fraction form
    576,214.88/795,251.76 = 321,618.92/x
  3. Step 3: Cross multiply
    576,214.88x = 795,251.76 × 321,618.92
  4. Step 4: Simplify right side
    576,214.88x = 255,768,012,179.30
  5. Step 5: Solve for x
    x = 255,768,012,179.30/576,214.88
  6. Step 6: Final answer
    x = 443,876.10

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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.