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Finding the Fourth Proportional to 793.16, 1,094.50 and 443.80

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Solution

The fourth proportional to 793.16, 1,094.50 and 443.80 is: 612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.16 : 1,094.50 = 443.80 : x
  2. Step 2: Convert to fraction form
    793.16/1,094.50 = 443.80/x
  3. Step 3: Cross multiply
    793.16x = 1,094.50 × 443.80
  4. Step 4: Simplify right side
    793.16x = 485,739.10
  5. Step 5: Solve for x
    x = 485,739.10/793.16
  6. Step 6: Final answer
    x = 612.41

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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.