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Finding the Fourth Proportional to 483.22, 666.84 and 262.17

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Solution

The fourth proportional to 483.22, 666.84 and 262.17 is: 361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.22 : 666.84 = 262.17 : x
  2. Step 2: Convert to fraction form
    483.22/666.84 = 262.17/x
  3. Step 3: Cross multiply
    483.22x = 666.84 × 262.17
  4. Step 4: Simplify right side
    483.22x = 174,826.10
  5. Step 5: Solve for x
    x = 174,826.10/483.22
  6. Step 6: Final answer
    x = 361.79

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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.