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Finding the Fourth Proportional to 382.54, 573.81 and 122.53

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Solution

The fourth proportional to 382.54, 573.81 and 122.53 is: 183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.54 : 573.81 = 122.53 : x
  2. Step 2: Convert to fraction form
    382.54/573.81 = 122.53/x
  3. Step 3: Cross multiply
    382.54x = 573.81 × 122.53
  4. Step 4: Simplify right side
    382.54x = 70,308.94
  5. Step 5: Solve for x
    x = 70,308.94/382.54
  6. Step 6: Final answer
    x = 183.80

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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.