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Finding the Fourth Proportional to 233.62, 349.52 and 203.55

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Solution

The fourth proportional to 233.62, 349.52 and 203.55 is: 304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.62 : 349.52 = 203.55 : x
  2. Step 2: Convert to fraction form
    233.62/349.52 = 203.55/x
  3. Step 3: Cross multiply
    233.62x = 349.52 × 203.55
  4. Step 4: Simplify right side
    233.62x = 71,142.47
  5. Step 5: Solve for x
    x = 71,142.47/233.62
  6. Step 6: Final answer
    x = 304.53

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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.