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Finding the Fourth Proportional to 795.98, 1,193.22 and 552.20

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Solution

The fourth proportional to 795.98, 1,193.22 and 552.20 is: 827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.98 : 1,193.22 = 552.20 : x
  2. Step 2: Convert to fraction form
    795.98/1,193.22 = 552.20/x
  3. Step 3: Cross multiply
    795.98x = 1,193.22 × 552.20
  4. Step 4: Simplify right side
    795.98x = 658,896.08
  5. Step 5: Solve for x
    x = 658,896.08/795.98
  6. Step 6: Final answer
    x = 827.78

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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.