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Finding the Fourth Proportional to 382.38, 573.60 and 177

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Solution

The fourth proportional to 382.38, 573.60 and 177 is: 265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.38 : 573.60 = 177 : x
  2. Step 2: Convert to fraction form
    382.38/573.60 = 177/x
  3. Step 3: Cross multiply
    382.38x = 573.60 × 177
  4. Step 4: Simplify right side
    382.38x = 101,527.20
  5. Step 5: Solve for x
    x = 101,527.20/382.38
  6. Step 6: Final answer
    x = 265.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.