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Finding the Fourth Proportional to 634, 951.40 and 249.26

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Solution

The fourth proportional to 634, 951.40 and 249.26 is: 374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634 : 951.40 = 249.26 : x
  2. Step 2: Convert to fraction form
    634/951.40 = 249.26/x
  3. Step 3: Cross multiply
    634x = 951.40 × 249.26
  4. Step 4: Simplify right side
    634x = 237,145.96
  5. Step 5: Solve for x
    x = 237,145.96/634
  6. Step 6: Final answer
    x = 374.05

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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.