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Finding the Fourth Proportional to 627.22, 941.64 and 531.64

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Solution

The fourth proportional to 627.22, 941.64 and 531.64 is: 798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.22 : 941.64 = 531.64 : x
  2. Step 2: Convert to fraction form
    627.22/941.64 = 531.64/x
  3. Step 3: Cross multiply
    627.22x = 941.64 × 531.64
  4. Step 4: Simplify right side
    627.22x = 500,613.49
  5. Step 5: Solve for x
    x = 500,613.49/627.22
  6. Step 6: Final answer
    x = 798.15

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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.