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Finding the Fourth Proportional to 395.67, 593.04 and 164.28

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Solution

The fourth proportional to 395.67, 593.04 and 164.28 is: 246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.67 : 593.04 = 164.28 : x
  2. Step 2: Convert to fraction form
    395.67/593.04 = 164.28/x
  3. Step 3: Cross multiply
    395.67x = 593.04 × 164.28
  4. Step 4: Simplify right side
    395.67x = 97,424.61
  5. Step 5: Solve for x
    x = 97,424.61/395.67
  6. Step 6: Final answer
    x = 246.23

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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.