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Finding the Fourth Proportional to 626.58, 939.87 and 301.98

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Solution

The fourth proportional to 626.58, 939.87 and 301.98 is: 452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.58 : 939.87 = 301.98 : x
  2. Step 2: Convert to fraction form
    626.58/939.87 = 301.98/x
  3. Step 3: Cross multiply
    626.58x = 939.87 × 301.98
  4. Step 4: Simplify right side
    626.58x = 283,821.94
  5. Step 5: Solve for x
    x = 283,821.94/626.58
  6. Step 6: Final answer
    x = 452.97

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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.