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Finding the Fourth Proportional to 796.04, 1,192.68 and 518.48

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Solution

The fourth proportional to 796.04, 1,192.68 and 518.48 is: 776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.04 : 1,192.68 = 518.48 : x
  2. Step 2: Convert to fraction form
    796.04/1,192.68 = 518.48/x
  3. Step 3: Cross multiply
    796.04x = 1,192.68 × 518.48
  4. Step 4: Simplify right side
    796.04x = 618,380.73
  5. Step 5: Solve for x
    x = 618,380.73/796.04
  6. Step 6: Final answer
    x = 776.82

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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.