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Finding the Fourth Proportional to 465.27, 697.98 and 222.06

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Solution

The fourth proportional to 465.27, 697.98 and 222.06 is: 333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.27 : 697.98 = 222.06 : x
  2. Step 2: Convert to fraction form
    465.27/697.98 = 222.06/x
  3. Step 3: Cross multiply
    465.27x = 697.98 × 222.06
  4. Step 4: Simplify right side
    465.27x = 154,993.44
  5. Step 5: Solve for x
    x = 154,993.44/465.27
  6. Step 6: Final answer
    x = 333.13

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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.