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Finding the Fourth Proportional to 794.53, 1,192.12 and 361.89

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Solution

The fourth proportional to 794.53, 1,192.12 and 361.89 is: 542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.53 : 1,192.12 = 361.89 : x
  2. Step 2: Convert to fraction form
    794.53/1,192.12 = 361.89/x
  3. Step 3: Cross multiply
    794.53x = 1,192.12 × 361.89
  4. Step 4: Simplify right side
    794.53x = 431,416.31
  5. Step 5: Solve for x
    x = 431,416.31/794.53
  6. Step 6: Final answer
    x = 542.98

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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.