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Finding the Fourth Proportional to 223.74, 335.07 and 222.12

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Solution

The fourth proportional to 223.74, 335.07 and 222.12 is: 332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.74 : 335.07 = 222.12 : x
  2. Step 2: Convert to fraction form
    223.74/335.07 = 222.12/x
  3. Step 3: Cross multiply
    223.74x = 335.07 × 222.12
  4. Step 4: Simplify right side
    223.74x = 74,425.75
  5. Step 5: Solve for x
    x = 74,425.75/223.74
  6. Step 6: Final answer
    x = 332.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.