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Finding the Fourth Proportional to 793.43, 1,191.02 and 469.02

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Solution

The fourth proportional to 793.43, 1,191.02 and 469.02 is: 704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.43 : 1,191.02 = 469.02 : x
  2. Step 2: Convert to fraction form
    793.43/1,191.02 = 469.02/x
  3. Step 3: Cross multiply
    793.43x = 1,191.02 × 469.02
  4. Step 4: Simplify right side
    793.43x = 558,612.20
  5. Step 5: Solve for x
    x = 558,612.20/793.43
  6. Step 6: Final answer
    x = 704.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.