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Finding the Fourth Proportional to 627.48, 941.31 and 302.63

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Solution

The fourth proportional to 627.48, 941.31 and 302.63 is: 453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.48 : 941.31 = 302.63 : x
  2. Step 2: Convert to fraction form
    627.48/941.31 = 302.63/x
  3. Step 3: Cross multiply
    627.48x = 941.31 × 302.63
  4. Step 4: Simplify right side
    627.48x = 284,863.94
  5. Step 5: Solve for x
    x = 284,863.94/627.48
  6. Step 6: Final answer
    x = 453.98

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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.