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Finding the Fourth Proportional to 352.70, 527.01 and 254.74

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Solution

The fourth proportional to 352.70, 527.01 and 254.74 is: 380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.70 : 527.01 = 254.74 : x
  2. Step 2: Convert to fraction form
    352.70/527.01 = 254.74/x
  3. Step 3: Cross multiply
    352.70x = 527.01 × 254.74
  4. Step 4: Simplify right side
    352.70x = 134,246.62
  5. Step 5: Solve for x
    x = 134,246.62/352.70
  6. Step 6: Final answer
    x = 380.63

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.