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Finding the Fourth Proportional to 293.68, 405.33 and 177.25

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Solution

The fourth proportional to 293.68, 405.33 and 177.25 is: 244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.68 : 405.33 = 177.25 : x
  2. Step 2: Convert to fraction form
    293.68/405.33 = 177.25/x
  3. Step 3: Cross multiply
    293.68x = 405.33 × 177.25
  4. Step 4: Simplify right side
    293.68x = 71,844.74
  5. Step 5: Solve for x
    x = 71,844.74/293.68
  6. Step 6: Final answer
    x = 244.64

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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.