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Finding the Fourth Proportional to 849.24, 1,274.26 and 362.42

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Solution

The fourth proportional to 849.24, 1,274.26 and 362.42 is: 543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.24 : 1,274.26 = 362.42 : x
  2. Step 2: Convert to fraction form
    849.24/1,274.26 = 362.42/x
  3. Step 3: Cross multiply
    849.24x = 1,274.26 × 362.42
  4. Step 4: Simplify right side
    849.24x = 461,817.31
  5. Step 5: Solve for x
    x = 461,817.31/849.24
  6. Step 6: Final answer
    x = 543.80

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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.