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Finding the Fourth Proportional to 796.17, 1,191.43 and 587.44

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Solution

The fourth proportional to 796.17, 1,191.43 and 587.44 is: 879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.17 : 1,191.43 = 587.44 : x
  2. Step 2: Convert to fraction form
    796.17/1,191.43 = 587.44/x
  3. Step 3: Cross multiply
    796.17x = 1,191.43 × 587.44
  4. Step 4: Simplify right side
    796.17x = 699,895.11
  5. Step 5: Solve for x
    x = 699,895.11/796.17
  6. Step 6: Final answer
    x = 879.08

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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.