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Finding the Fourth Proportional to 796.05, 1,193.67 and 276.03

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Solution

The fourth proportional to 796.05, 1,193.67 and 276.03 is: 413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.05 : 1,193.67 = 276.03 : x
  2. Step 2: Convert to fraction form
    796.05/1,193.67 = 276.03/x
  3. Step 3: Cross multiply
    796.05x = 1,193.67 × 276.03
  4. Step 4: Simplify right side
    796.05x = 329,488.73
  5. Step 5: Solve for x
    x = 329,488.73/796.05
  6. Step 6: Final answer
    x = 413.90

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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.