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Finding the Fourth Proportional to 252.16, 347.82 and 233.92

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Solution

The fourth proportional to 252.16, 347.82 and 233.92 is: 322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.16 : 347.82 = 233.92 : x
  2. Step 2: Convert to fraction form
    252.16/347.82 = 233.92/x
  3. Step 3: Cross multiply
    252.16x = 347.82 × 233.92
  4. Step 4: Simplify right side
    252.16x = 81,362.05
  5. Step 5: Solve for x
    x = 81,362.05/252.16
  6. Step 6: Final answer
    x = 322.66

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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.