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Finding the Fourth Proportional to 732.82, 1,095.99 and 548.14

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Solution

The fourth proportional to 732.82, 1,095.99 and 548.14 is: 819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.82 : 1,095.99 = 548.14 : x
  2. Step 2: Convert to fraction form
    732.82/1,095.99 = 548.14/x
  3. Step 3: Cross multiply
    732.82x = 1,095.99 × 548.14
  4. Step 4: Simplify right side
    732.82x = 600,755.96
  5. Step 5: Solve for x
    x = 600,755.96/732.82
  6. Step 6: Final answer
    x = 819.79

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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.