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Finding the Fourth Proportional to 464.73, 641.32 and 268.24

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Solution

The fourth proportional to 464.73, 641.32 and 268.24 is: 370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.73 : 641.32 = 268.24 : x
  2. Step 2: Convert to fraction form
    464.73/641.32 = 268.24/x
  3. Step 3: Cross multiply
    464.73x = 641.32 × 268.24
  4. Step 4: Simplify right side
    464.73x = 172,027.68
  5. Step 5: Solve for x
    x = 172,027.68/464.73
  6. Step 6: Final answer
    x = 370.17

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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.