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Finding the Fourth Proportional to 395.54, 593.26 and 164.45

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Solution

The fourth proportional to 395.54, 593.26 and 164.45 is: 246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.54 : 593.26 = 164.45 : x
  2. Step 2: Convert to fraction form
    395.54/593.26 = 164.45/x
  3. Step 3: Cross multiply
    395.54x = 593.26 × 164.45
  4. Step 4: Simplify right side
    395.54x = 97,561.61
  5. Step 5: Solve for x
    x = 97,561.61/395.54
  6. Step 6: Final answer
    x = 246.65

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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.