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Finding the Fourth Proportional to 472.11, 651.52 and 262.29

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Solution

The fourth proportional to 472.11, 651.52 and 262.29 is: 361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.11 : 651.52 = 262.29 : x
  2. Step 2: Convert to fraction form
    472.11/651.52 = 262.29/x
  3. Step 3: Cross multiply
    472.11x = 651.52 × 262.29
  4. Step 4: Simplify right side
    472.11x = 170,884.24
  5. Step 5: Solve for x
    x = 170,884.24/472.11
  6. Step 6: Final answer
    x = 361.96

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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.