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Finding the Fourth Proportional to 791.96, 1,094.52 and 595.40

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Solution

The fourth proportional to 791.96, 1,094.52 and 595.40 is: 822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    791.96 : 1,094.52 = 595.40 : x
  2. Step 2: Convert to fraction form
    791.96/1,094.52 = 595.40/x
  3. Step 3: Cross multiply
    791.96x = 1,094.52 × 595.40
  4. Step 4: Simplify right side
    791.96x = 651,677.21
  5. Step 5: Solve for x
    x = 651,677.21/791.96
  6. Step 6: Final answer
    x = 822.87

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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.