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Finding the Fourth Proportional to 463.44, 694.93 and 155.19

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Solution

The fourth proportional to 463.44, 694.93 and 155.19 is: 232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.44 : 694.93 = 155.19 : x
  2. Step 2: Convert to fraction form
    463.44/694.93 = 155.19/x
  3. Step 3: Cross multiply
    463.44x = 694.93 × 155.19
  4. Step 4: Simplify right side
    463.44x = 107,846.19
  5. Step 5: Solve for x
    x = 107,846.19/463.44
  6. Step 6: Final answer
    x = 232.71

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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.