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Finding the Fourth Proportional to 528.34, 792.53 and 163.14

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Solution

The fourth proportional to 528.34, 792.53 and 163.14 is: 244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.34 : 792.53 = 163.14 : x
  2. Step 2: Convert to fraction form
    528.34/792.53 = 163.14/x
  3. Step 3: Cross multiply
    528.34x = 792.53 × 163.14
  4. Step 4: Simplify right side
    528.34x = 129,293.34
  5. Step 5: Solve for x
    x = 129,293.34/528.34
  6. Step 6: Final answer
    x = 244.72

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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.