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Finding the Fourth Proportional to 796.19, 1,193.99 and 276.05

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Solution

The fourth proportional to 796.19, 1,193.99 and 276.05 is: 413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.19 : 1,193.99 = 276.05 : x
  2. Step 2: Convert to fraction form
    796.19/1,193.99 = 276.05/x
  3. Step 3: Cross multiply
    796.19x = 1,193.99 × 276.05
  4. Step 4: Simplify right side
    796.19x = 329,602.54
  5. Step 5: Solve for x
    x = 329,602.54/796.19
  6. Step 6: Final answer
    x = 413.98

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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.