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Finding the Fourth Proportional to 293.97, 405.71 and 183.48

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Solution

The fourth proportional to 293.97, 405.71 and 183.48 is: 253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.97 : 405.71 = 183.48 : x
  2. Step 2: Convert to fraction form
    293.97/405.71 = 183.48/x
  3. Step 3: Cross multiply
    293.97x = 405.71 × 183.48
  4. Step 4: Simplify right side
    293.97x = 74,438.75
  5. Step 5: Solve for x
    x = 74,438.75/293.97
  6. Step 6: Final answer
    x = 253.22

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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.