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Finding the Fourth Proportional to 471.96, 651.33 and 262.17

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Solution

The fourth proportional to 471.96, 651.33 and 262.17 is: 361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.96 : 651.33 = 262.17 : x
  2. Step 2: Convert to fraction form
    471.96/651.33 = 262.17/x
  3. Step 3: Cross multiply
    471.96x = 651.33 × 262.17
  4. Step 4: Simplify right side
    471.96x = 170,759.19
  5. Step 5: Solve for x
    x = 170,759.19/471.96
  6. Step 6: Final answer
    x = 361.81

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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.