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Finding the Fourth Proportional to 395.76, 593.36 and 241.72

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Solution

The fourth proportional to 395.76, 593.36 and 241.72 is: 362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.76 : 593.36 = 241.72 : x
  2. Step 2: Convert to fraction form
    395.76/593.36 = 241.72/x
  3. Step 3: Cross multiply
    395.76x = 593.36 × 241.72
  4. Step 4: Simplify right side
    395.76x = 143,426.98
  5. Step 5: Solve for x
    x = 143,426.98/395.76
  6. Step 6: Final answer
    x = 362.41

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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.