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Finding the Fourth Proportional to 793.88, 1,094.92 and 616.48

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Solution

The fourth proportional to 793.88, 1,094.92 and 616.48 is: 850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.88 : 1,094.92 = 616.48 : x
  2. Step 2: Convert to fraction form
    793.88/1,094.92 = 616.48/x
  3. Step 3: Cross multiply
    793.88x = 1,094.92 × 616.48
  4. Step 4: Simplify right side
    793.88x = 674,996.28
  5. Step 5: Solve for x
    x = 674,996.28/793.88
  6. Step 6: Final answer
    x = 850.25

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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.