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Finding the Fourth Proportional to 791.85, 1,093.11 and 595.42

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Solution

The fourth proportional to 791.85, 1,093.11 and 595.42 is: 821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    791.85 : 1,093.11 = 595.42 : x
  2. Step 2: Convert to fraction form
    791.85/1,093.11 = 595.42/x
  3. Step 3: Cross multiply
    791.85x = 1,093.11 × 595.42
  4. Step 4: Simplify right side
    791.85x = 650,859.56
  5. Step 5: Solve for x
    x = 650,859.56/791.85
  6. Step 6: Final answer
    x = 821.95

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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.