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Finding the Fourth Proportional to 576,317.54, 795,244.82 and 321,679.46

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Solution

The fourth proportional to 576,317.54, 795,244.82 and 321,679.46 is: 443,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,317.54 : 795,244.82 = 321,679.46 : x
  2. Step 2: Convert to fraction form
    576,317.54/795,244.82 = 321,679.46/x
  3. Step 3: Cross multiply
    576,317.54x = 795,244.82 × 321,679.46
  4. Step 4: Simplify right side
    576,317.54x = 255,813,924,265.40
  5. Step 5: Solve for x
    x = 255,813,924,265.40/576,317.54
  6. Step 6: Final answer
    x = 443,876.69

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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.