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Finding the Fourth Proportional to 472.14, 651.54 and 262.30

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Solution

The fourth proportional to 472.14, 651.54 and 262.30 is: 361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.14 : 651.54 = 262.30 : x
  2. Step 2: Convert to fraction form
    472.14/651.54 = 262.30/x
  3. Step 3: Cross multiply
    472.14x = 651.54 × 262.30
  4. Step 4: Simplify right side
    472.14x = 170,899.33
  5. Step 5: Solve for x
    x = 170,899.33/472.14
  6. Step 6: Final answer
    x = 361.97

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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.