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Finding the Fourth Proportional to 849.50, 1,274.25 and 233.27

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Solution

The fourth proportional to 849.50, 1,274.25 and 233.27 is: 349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.50 : 1,274.25 = 233.27 : x
  2. Step 2: Convert to fraction form
    849.50/1,274.25 = 233.27/x
  3. Step 3: Cross multiply
    849.50x = 1,274.25 × 233.27
  4. Step 4: Simplify right side
    849.50x = 297,237.93
  5. Step 5: Solve for x
    x = 297,237.93/849.50
  6. Step 6: Final answer
    x = 349.90

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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.