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Finding the Fourth Proportional to 849.41, 1,274.20 and 233.13

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Solution

The fourth proportional to 849.41, 1,274.20 and 233.13 is: 349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.41 : 1,274.20 = 233.13 : x
  2. Step 2: Convert to fraction form
    849.41/1,274.20 = 233.13/x
  3. Step 3: Cross multiply
    849.41x = 1,274.20 × 233.13
  4. Step 4: Simplify right side
    849.41x = 297,054.25
  5. Step 5: Solve for x
    x = 297,054.25/849.41
  6. Step 6: Final answer
    x = 349.72

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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.