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Finding the Fourth Proportional to 376.16, 563.82 and 268.16

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Solution

The fourth proportional to 376.16, 563.82 and 268.16 is: 401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.16 : 563.82 = 268.16 : x
  2. Step 2: Convert to fraction form
    376.16/563.82 = 268.16/x
  3. Step 3: Cross multiply
    376.16x = 563.82 × 268.16
  4. Step 4: Simplify right side
    376.16x = 151,193.97
  5. Step 5: Solve for x
    x = 151,193.97/376.16
  6. Step 6: Final answer
    x = 401.94

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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.