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Finding the Fourth Proportional to 463.24, 694.84 and 189.33

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Solution

The fourth proportional to 463.24, 694.84 and 189.33 is: 283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.24 : 694.84 = 189.33 : x
  2. Step 2: Convert to fraction form
    463.24/694.84 = 189.33/x
  3. Step 3: Cross multiply
    463.24x = 694.84 × 189.33
  4. Step 4: Simplify right side
    463.24x = 131,554.06
  5. Step 5: Solve for x
    x = 131,554.06/463.24
  6. Step 6: Final answer
    x = 283.99

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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.