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Finding the Fourth Proportional to 466.49, 698.79 and 222.28

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Solution

The fourth proportional to 466.49, 698.79 and 222.28 is: 332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.49 : 698.79 = 222.28 : x
  2. Step 2: Convert to fraction form
    466.49/698.79 = 222.28/x
  3. Step 3: Cross multiply
    466.49x = 698.79 × 222.28
  4. Step 4: Simplify right side
    466.49x = 155,327.04
  5. Step 5: Solve for x
    x = 155,327.04/466.49
  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.