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Finding the Fourth Proportional to 394.44, 591.94 and 175.13

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Solution

The fourth proportional to 394.44, 591.94 and 175.13 is: 262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.44 : 591.94 = 175.13 : x
  2. Step 2: Convert to fraction form
    394.44/591.94 = 175.13/x
  3. Step 3: Cross multiply
    394.44x = 591.94 × 175.13
  4. Step 4: Simplify right side
    394.44x = 103,663.49
  5. Step 5: Solve for x
    x = 103,663.49/394.44
  6. Step 6: Final answer
    x = 262.81

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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.