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Finding the Fourth Proportional to 482.27, 722.94 and 222.44

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Solution

The fourth proportional to 482.27, 722.94 and 222.44 is: 333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.27 : 722.94 = 222.44 : x
  2. Step 2: Convert to fraction form
    482.27/722.94 = 222.44/x
  3. Step 3: Cross multiply
    482.27x = 722.94 × 222.44
  4. Step 4: Simplify right side
    482.27x = 160,812.58
  5. Step 5: Solve for x
    x = 160,812.58/482.27
  6. Step 6: Final answer
    x = 333.45

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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.