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Finding the Fourth Proportional to 376.60, 564.18 and 222.26

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Solution

The fourth proportional to 376.60, 564.18 and 222.26 is: 332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.60 : 564.18 = 222.26 : x
  2. Step 2: Convert to fraction form
    376.60/564.18 = 222.26/x
  3. Step 3: Cross multiply
    376.60x = 564.18 × 222.26
  4. Step 4: Simplify right side
    376.60x = 125,394.65
  5. Step 5: Solve for x
    x = 125,394.65/376.60
  6. Step 6: Final answer
    x = 332.97

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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.