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Finding the Fourth Proportional to 465.89, 698.96 and 222.62

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Solution

The fourth proportional to 465.89, 698.96 and 222.62 is: 333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.89 : 698.96 = 222.62 : x
  2. Step 2: Convert to fraction form
    465.89/698.96 = 222.62/x
  3. Step 3: Cross multiply
    465.89x = 698.96 × 222.62
  4. Step 4: Simplify right side
    465.89x = 155,599.54
  5. Step 5: Solve for x
    x = 155,599.54/465.89
  6. Step 6: Final answer
    x = 333.99

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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.