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Finding the Fourth Proportional to 498.26, 746.02 and 376.16

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Solution

The fourth proportional to 498.26, 746.02 and 376.16 is: 563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.26 : 746.02 = 376.16 : x
  2. Step 2: Convert to fraction form
    498.26/746.02 = 376.16/x
  3. Step 3: Cross multiply
    498.26x = 746.02 × 376.16
  4. Step 4: Simplify right side
    498.26x = 280,622.88
  5. Step 5: Solve for x
    x = 280,622.88/498.26
  6. Step 6: Final answer
    x = 563.21

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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.