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Finding the Fourth Proportional to 376.11, 564 and 170.67

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Solution

The fourth proportional to 376.11, 564 and 170.67 is: 255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.11 : 564 = 170.67 : x
  2. Step 2: Convert to fraction form
    376.11/564 = 170.67/x
  3. Step 3: Cross multiply
    376.11x = 564 × 170.67
  4. Step 4: Simplify right side
    376.11x = 96,257.88
  5. Step 5: Solve for x
    x = 96,257.88/376.11
  6. Step 6: Final answer
    x = 255.93

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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.