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Finding the Fourth Proportional to 796.34, 1,191.98 and 576.23

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Solution

The fourth proportional to 796.34, 1,191.98 and 576.23 is: 862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.34 : 1,191.98 = 576.23 : x
  2. Step 2: Convert to fraction form
    796.34/1,191.98 = 576.23/x
  3. Step 3: Cross multiply
    796.34x = 1,191.98 × 576.23
  4. Step 4: Simplify right side
    796.34x = 686,850.12
  5. Step 5: Solve for x
    x = 686,850.12/796.34
  6. Step 6: Final answer
    x = 862.51

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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.