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Finding the Fourth Proportional to 483.27, 666.92 and 262.22

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Solution

The fourth proportional to 483.27, 666.92 and 262.22 is: 361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.27 : 666.92 = 262.22 : x
  2. Step 2: Convert to fraction form
    483.27/666.92 = 262.22/x
  3. Step 3: Cross multiply
    483.27x = 666.92 × 262.22
  4. Step 4: Simplify right side
    483.27x = 174,880.12
  5. Step 5: Solve for x
    x = 174,880.12/483.27
  6. Step 6: Final answer
    x = 361.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.