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Finding the Fourth Proportional to 464.26, 695.97 and 171.56

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Solution

The fourth proportional to 464.26, 695.97 and 171.56 is: 257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.26 : 695.97 = 171.56 : x
  2. Step 2: Convert to fraction form
    464.26/695.97 = 171.56/x
  3. Step 3: Cross multiply
    464.26x = 695.97 × 171.56
  4. Step 4: Simplify right side
    464.26x = 119,401.71
  5. Step 5: Solve for x
    x = 119,401.71/464.26
  6. Step 6: Final answer
    x = 257.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.