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Finding the Fourth Proportional to 408.24, 563.58 and 334.98

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Solution

The fourth proportional to 408.24, 563.58 and 334.98 is: 462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    408.24 : 563.58 = 334.98 : x
  2. Step 2: Convert to fraction form
    408.24/563.58 = 334.98/x
  3. Step 3: Cross multiply
    408.24x = 563.58 × 334.98
  4. Step 4: Simplify right side
    408.24x = 188,788.03
  5. Step 5: Solve for x
    x = 188,788.03/408.24
  6. Step 6: Final answer
    x = 462.44

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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.