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Finding the Fourth Proportional to 793.06, 1,094.31 and 443.74

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Solution

The fourth proportional to 793.06, 1,094.31 and 443.74 is: 612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.06 : 1,094.31 = 443.74 : x
  2. Step 2: Convert to fraction form
    793.06/1,094.31 = 443.74/x
  3. Step 3: Cross multiply
    793.06x = 1,094.31 × 443.74
  4. Step 4: Simplify right side
    793.06x = 485,589.12
  5. Step 5: Solve for x
    x = 485,589.12/793.06
  6. Step 6: Final answer
    x = 612.30

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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.