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Finding the Fourth Proportional to 796.34, 1,192.44 and 550.30

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Solution

The fourth proportional to 796.34, 1,192.44 and 550.30 is: 824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.34 : 1,192.44 = 550.30 : x
  2. Step 2: Convert to fraction form
    796.34/1,192.44 = 550.30/x
  3. Step 3: Cross multiply
    796.34x = 1,192.44 × 550.30
  4. Step 4: Simplify right side
    796.34x = 656,199.73
  5. Step 5: Solve for x
    x = 656,199.73/796.34
  6. Step 6: Final answer
    x = 824.02

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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.