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Finding the Fourth Proportional to 584.88, 806.97 and 336.21

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Solution

The fourth proportional to 584.88, 806.97 and 336.21 is: 463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.88 : 806.97 = 336.21 : x
  2. Step 2: Convert to fraction form
    584.88/806.97 = 336.21/x
  3. Step 3: Cross multiply
    584.88x = 806.97 × 336.21
  4. Step 4: Simplify right side
    584.88x = 271,311.38
  5. Step 5: Solve for x
    x = 271,311.38/584.88
  6. Step 6: Final answer
    x = 463.88

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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.