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Finding the Fourth Proportional to 382.14, 527.33 and 242.24

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Solution

The fourth proportional to 382.14, 527.33 and 242.24 is: 334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.14 : 527.33 = 242.24 : x
  2. Step 2: Convert to fraction form
    382.14/527.33 = 242.24/x
  3. Step 3: Cross multiply
    382.14x = 527.33 × 242.24
  4. Step 4: Simplify right side
    382.14x = 127,736.57
  5. Step 5: Solve for x
    x = 127,736.57/382.14
  6. Step 6: Final answer
    x = 334.27

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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.