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Finding the Fourth Proportional to 395.67, 593.35 and 164.50

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Solution

The fourth proportional to 395.67, 593.35 and 164.50 is: 246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.67 : 593.35 = 164.50 : x
  2. Step 2: Convert to fraction form
    395.67/593.35 = 164.50/x
  3. Step 3: Cross multiply
    395.67x = 593.35 × 164.50
  4. Step 4: Simplify right side
    395.67x = 97,604.18
  5. Step 5: Solve for x
    x = 97,604.18/395.67
  6. Step 6: Final answer
    x = 246.68

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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.