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Finding the Fourth Proportional to 563.92, 846.20 and 222.16

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Solution

The fourth proportional to 563.92, 846.20 and 222.16 is: 333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.92 : 846.20 = 222.16 : x
  2. Step 2: Convert to fraction form
    563.92/846.20 = 222.16/x
  3. Step 3: Cross multiply
    563.92x = 846.20 × 222.16
  4. Step 4: Simplify right side
    563.92x = 187,991.79
  5. Step 5: Solve for x
    x = 187,991.79/563.92
  6. Step 6: Final answer
    x = 333.37

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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.