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Finding the Fourth Proportional to 466.32, 699.36 and 222.72

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Solution

The fourth proportional to 466.32, 699.36 and 222.72 is: 334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.32 : 699.36 = 222.72 : x
  2. Step 2: Convert to fraction form
    466.32/699.36 = 222.72/x
  3. Step 3: Cross multiply
    466.32x = 699.36 × 222.72
  4. Step 4: Simplify right side
    466.32x = 155,761.46
  5. Step 5: Solve for x
    x = 155,761.46/466.32
  6. Step 6: Final answer
    x = 334.02

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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.