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Finding the Fourth Proportional to 376.11, 564 and 222.35

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Solution

The fourth proportional to 376.11, 564 and 222.35 is: 333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.11 : 564 = 222.35 : x
  2. Step 2: Convert to fraction form
    376.11/564 = 222.35/x
  3. Step 3: Cross multiply
    376.11x = 564 × 222.35
  4. Step 4: Simplify right side
    376.11x = 125,402.58
  5. Step 5: Solve for x
    x = 125,402.58/376.11
  6. Step 6: Final answer
    x = 333.42

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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.