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Finding the Fourth Proportional to 352,003.92, 527,241.23 and 216,655.44

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Solution

The fourth proportional to 352,003.92, 527,241.23 and 216,655.44 is: 324,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,003.92 : 527,241.23 = 216,655.44 : x
  2. Step 2: Convert to fraction form
    352,003.92/527,241.23 = 216,655.44/x
  3. Step 3: Cross multiply
    352,003.92x = 527,241.23 × 216,655.44
  4. Step 4: Simplify right side
    352,003.92x = 114,229,680,671.79
  5. Step 5: Solve for x
    x = 114,229,680,671.79/352,003.92
  6. Step 6: Final answer
    x = 324,512.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.