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Finding the Fourth Proportional to 292.75, 403.88 and 182.25

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Solution

The fourth proportional to 292.75, 403.88 and 182.25 is: 251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.75 : 403.88 = 182.25 : x
  2. Step 2: Convert to fraction form
    292.75/403.88 = 182.25/x
  3. Step 3: Cross multiply
    292.75x = 403.88 × 182.25
  4. Step 4: Simplify right side
    292.75x = 73,606.22
  5. Step 5: Solve for x
    x = 73,606.22/292.75
  6. Step 6: Final answer
    x = 251.43

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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.