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Finding the Fourth Proportional to 275.67, 413.91 and 167.67

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Solution

The fourth proportional to 275.67, 413.91 and 167.67 is: 251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.67 : 413.91 = 167.67 : x
  2. Step 2: Convert to fraction form
    275.67/413.91 = 167.67/x
  3. Step 3: Cross multiply
    275.67x = 413.91 × 167.67
  4. Step 4: Simplify right side
    275.67x = 69,400.29
  5. Step 5: Solve for x
    x = 69,400.29/275.67
  6. Step 6: Final answer
    x = 251.75

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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.