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Finding the Fourth Proportional to 293.69, 405.32 and 177.25

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Solution

The fourth proportional to 293.69, 405.32 and 177.25 is: 244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.69 : 405.32 = 177.25 : x
  2. Step 2: Convert to fraction form
    293.69/405.32 = 177.25/x
  3. Step 3: Cross multiply
    293.69x = 405.32 × 177.25
  4. Step 4: Simplify right side
    293.69x = 71,842.97
  5. Step 5: Solve for x
    x = 71,842.97/293.69
  6. Step 6: Final answer
    x = 244.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.