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Finding the Fourth Proportional to 395.14, 544.50 and 335.94

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Solution

The fourth proportional to 395.14, 544.50 and 335.94 is: 462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.14 : 544.50 = 335.94 : x
  2. Step 2: Convert to fraction form
    395.14/544.50 = 335.94/x
  3. Step 3: Cross multiply
    395.14x = 544.50 × 335.94
  4. Step 4: Simplify right side
    395.14x = 182,919.33
  5. Step 5: Solve for x
    x = 182,919.33/395.14
  6. Step 6: Final answer
    x = 462.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.