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Finding the Fourth Proportional to 465.65, 698.73 and 222.14

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Solution

The fourth proportional to 465.65, 698.73 and 222.14 is: 333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.65 : 698.73 = 222.14 : x
  2. Step 2: Convert to fraction form
    465.65/698.73 = 222.14/x
  3. Step 3: Cross multiply
    465.65x = 698.73 × 222.14
  4. Step 4: Simplify right side
    465.65x = 155,216.80
  5. Step 5: Solve for x
    x = 155,216.80/465.65
  6. Step 6: Final answer
    x = 333.33

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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.