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Finding the Fourth Proportional to 382.41, 527.76 and 235.04

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Solution

The fourth proportional to 382.41, 527.76 and 235.04 is: 324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.41 : 527.76 = 235.04 : x
  2. Step 2: Convert to fraction form
    382.41/527.76 = 235.04/x
  3. Step 3: Cross multiply
    382.41x = 527.76 × 235.04
  4. Step 4: Simplify right side
    382.41x = 124,042.07
  5. Step 5: Solve for x
    x = 124,042.07/382.41
  6. Step 6: Final answer
    x = 324.37

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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.