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Finding the Fourth Proportional to 379.35, 569.16 and 163.08

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Solution

The fourth proportional to 379.35, 569.16 and 163.08 is: 244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.35 : 569.16 = 163.08 : x
  2. Step 2: Convert to fraction form
    379.35/569.16 = 163.08/x
  3. Step 3: Cross multiply
    379.35x = 569.16 × 163.08
  4. Step 4: Simplify right side
    379.35x = 92,818.61
  5. Step 5: Solve for x
    x = 92,818.61/379.35
  6. Step 6: Final answer
    x = 244.68

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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.