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Finding the Fourth Proportional to 498.34, 746.84 and 224.62

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Solution

The fourth proportional to 498.34, 746.84 and 224.62 is: 336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.34 : 746.84 = 224.62 : x
  2. Step 2: Convert to fraction form
    498.34/746.84 = 224.62/x
  3. Step 3: Cross multiply
    498.34x = 746.84 × 224.62
  4. Step 4: Simplify right side
    498.34x = 167,755.20
  5. Step 5: Solve for x
    x = 167,755.20/498.34
  6. Step 6: Final answer
    x = 336.63

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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.