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Finding the Fourth Proportional to 382.69, 573.75 and 177.14

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Solution

The fourth proportional to 382.69, 573.75 and 177.14 is: 265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.69 : 573.75 = 177.14 : x
  2. Step 2: Convert to fraction form
    382.69/573.75 = 177.14/x
  3. Step 3: Cross multiply
    382.69x = 573.75 × 177.14
  4. Step 4: Simplify right side
    382.69x = 101,632.28
  5. Step 5: Solve for x
    x = 101,632.28/382.69
  6. Step 6: Final answer
    x = 265.57

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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.