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Finding the Fourth Proportional to 799.11, 1,196.83 and 718.92

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Solution

The fourth proportional to 799.11, 1,196.83 and 718.92 is: 1,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.11 : 1,196.83 = 718.92 : x
  2. Step 2: Convert to fraction form
    799.11/1,196.83 = 718.92/x
  3. Step 3: Cross multiply
    799.11x = 1,196.83 × 718.92
  4. Step 4: Simplify right side
    799.11x = 860,425.02
  5. Step 5: Solve for x
    x = 860,425.02/799.11
  6. Step 6: Final answer
    x = 1,076.73

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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.