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Finding the Fourth Proportional to 372.24, 513.77 and 224.91

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Solution

The fourth proportional to 372.24, 513.77 and 224.91 is: 310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.24 : 513.77 = 224.91 : x
  2. Step 2: Convert to fraction form
    372.24/513.77 = 224.91/x
  3. Step 3: Cross multiply
    372.24x = 513.77 × 224.91
  4. Step 4: Simplify right side
    372.24x = 115,550.89
  5. Step 5: Solve for x
    x = 115,550.89/372.24
  6. Step 6: Final answer
    x = 310.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.