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Finding the Fourth Proportional to 360.68, 541.11 and 117.19

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Solution

The fourth proportional to 360.68, 541.11 and 117.19 is: 175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.68 : 541.11 = 117.19 : x
  2. Step 2: Convert to fraction form
    360.68/541.11 = 117.19/x
  3. Step 3: Cross multiply
    360.68x = 541.11 × 117.19
  4. Step 4: Simplify right side
    360.68x = 63,413.80
  5. Step 5: Solve for x
    x = 63,413.80/360.68
  6. Step 6: Final answer
    x = 175.82

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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.