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Finding the Fourth Proportional to 395.95, 593.57 and 164.69

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Solution

The fourth proportional to 395.95, 593.57 and 164.69 is: 246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.95 : 593.57 = 164.69 : x
  2. Step 2: Convert to fraction form
    395.95/593.57 = 164.69/x
  3. Step 3: Cross multiply
    395.95x = 593.57 × 164.69
  4. Step 4: Simplify right side
    395.95x = 97,756.94
  5. Step 5: Solve for x
    x = 97,756.94/395.95
  6. Step 6: Final answer
    x = 246.89

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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.