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Finding the Fourth Proportional to 849.49, 1,274.29 and 233.14

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Solution

The fourth proportional to 849.49, 1,274.29 and 233.14 is: 349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.49 : 1,274.29 = 233.14 : x
  2. Step 2: Convert to fraction form
    849.49/1,274.29 = 233.14/x
  3. Step 3: Cross multiply
    849.49x = 1,274.29 × 233.14
  4. Step 4: Simplify right side
    849.49x = 297,087.97
  5. Step 5: Solve for x
    x = 297,087.97/849.49
  6. Step 6: Final answer
    x = 349.73

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Double scale
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Similar ratio
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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.