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Finding the Fourth Proportional to 475.74, 713.07 and 201.96

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Solution

The fourth proportional to 475.74, 713.07 and 201.96 is: 302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.74 : 713.07 = 201.96 : x
  2. Step 2: Convert to fraction form
    475.74/713.07 = 201.96/x
  3. Step 3: Cross multiply
    475.74x = 713.07 × 201.96
  4. Step 4: Simplify right side
    475.74x = 144,011.62
  5. Step 5: Solve for x
    x = 144,011.62/475.74
  6. Step 6: Final answer
    x = 302.71

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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.