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Finding the Fourth Proportional to 498.23, 747.74 and 224.34

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Solution

The fourth proportional to 498.23, 747.74 and 224.34 is: 336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.23 : 747.74 = 224.34 : x
  2. Step 2: Convert to fraction form
    498.23/747.74 = 224.34/x
  3. Step 3: Cross multiply
    498.23x = 747.74 × 224.34
  4. Step 4: Simplify right side
    498.23x = 167,746.22
  5. Step 5: Solve for x
    x = 167,746.22/498.23
  6. Step 6: Final answer
    x = 336.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.