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Finding the Fourth Proportional to 796.26, 1,192.79 and 406.24

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Solution

The fourth proportional to 796.26, 1,192.79 and 406.24 is: 608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.26 : 1,192.79 = 406.24 : x
  2. Step 2: Convert to fraction form
    796.26/1,192.79 = 406.24/x
  3. Step 3: Cross multiply
    796.26x = 1,192.79 × 406.24
  4. Step 4: Simplify right side
    796.26x = 484,556.98
  5. Step 5: Solve for x
    x = 484,556.98/796.26
  6. Step 6: Final answer
    x = 608.54

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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.