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Finding the Fourth Proportional to 382.56, 573.92 and 267.14

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Solution

The fourth proportional to 382.56, 573.92 and 267.14 is: 400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.56 : 573.92 = 267.14 : x
  2. Step 2: Convert to fraction form
    382.56/573.92 = 267.14/x
  3. Step 3: Cross multiply
    382.56x = 573.92 × 267.14
  4. Step 4: Simplify right side
    382.56x = 153,316.99
  5. Step 5: Solve for x
    x = 153,316.99/382.56
  6. Step 6: Final answer
    x = 400.77

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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.