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Finding the Fourth Proportional to 627.52, 941.19 and 302.80

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Solution

The fourth proportional to 627.52, 941.19 and 302.80 is: 454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.52 : 941.19 = 302.80 : x
  2. Step 2: Convert to fraction form
    627.52/941.19 = 302.80/x
  3. Step 3: Cross multiply
    627.52x = 941.19 × 302.80
  4. Step 4: Simplify right side
    627.52x = 284,992.33
  5. Step 5: Solve for x
    x = 284,992.33/627.52
  6. Step 6: Final answer
    x = 454.16

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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.