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Finding the Fourth Proportional to 793.22, 1,094.66 and 443.88

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Solution

The fourth proportional to 793.22, 1,094.66 and 443.88 is: 612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.22 : 1,094.66 = 443.88 : x
  2. Step 2: Convert to fraction form
    793.22/1,094.66 = 443.88/x
  3. Step 3: Cross multiply
    793.22x = 1,094.66 × 443.88
  4. Step 4: Simplify right side
    793.22x = 485,897.68
  5. Step 5: Solve for x
    x = 485,897.68/793.22
  6. Step 6: Final answer
    x = 612.56

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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.