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Finding the Fourth Proportional to 395.24, 593.06 and 338.13

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Solution

The fourth proportional to 395.24, 593.06 and 338.13 is: 507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.24 : 593.06 = 338.13 : x
  2. Step 2: Convert to fraction form
    395.24/593.06 = 338.13/x
  3. Step 3: Cross multiply
    395.24x = 593.06 × 338.13
  4. Step 4: Simplify right side
    395.24x = 200,529.69
  5. Step 5: Solve for x
    x = 200,529.69/395.24
  6. Step 6: Final answer
    x = 507.37

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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.