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Finding the Fourth Proportional to 382.24, 573.10 and 187.02

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Solution

The fourth proportional to 382.24, 573.10 and 187.02 is: 280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.24 : 573.10 = 187.02 : x
  2. Step 2: Convert to fraction form
    382.24/573.10 = 187.02/x
  3. Step 3: Cross multiply
    382.24x = 573.10 × 187.02
  4. Step 4: Simplify right side
    382.24x = 107,181.16
  5. Step 5: Solve for x
    x = 107,181.16/382.24
  6. Step 6: Final answer
    x = 280.40

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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.