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Finding the Fourth Proportional to 349.66, 481.75 and 233.02

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Solution

The fourth proportional to 349.66, 481.75 and 233.02 is: 321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.66 : 481.75 = 233.02 : x
  2. Step 2: Convert to fraction form
    349.66/481.75 = 233.02/x
  3. Step 3: Cross multiply
    349.66x = 481.75 × 233.02
  4. Step 4: Simplify right side
    349.66x = 112,257.39
  5. Step 5: Solve for x
    x = 112,257.39/349.66
  6. Step 6: Final answer
    x = 321.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.