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Finding the Fourth Proportional to 794.44, 1,192.14 and 361.60

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Solution

The fourth proportional to 794.44, 1,192.14 and 361.60 is: 542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.44 : 1,192.14 = 361.60 : x
  2. Step 2: Convert to fraction form
    794.44/1,192.14 = 361.60/x
  3. Step 3: Cross multiply
    794.44x = 1,192.14 × 361.60
  4. Step 4: Simplify right side
    794.44x = 431,077.82
  5. Step 5: Solve for x
    x = 431,077.82/794.44
  6. Step 6: Final answer
    x = 542.62

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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.