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Finding the Fourth Proportional to 292.55, 403.76 and 182.07

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Solution

The fourth proportional to 292.55, 403.76 and 182.07 is: 251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.55 : 403.76 = 182.07 : x
  2. Step 2: Convert to fraction form
    292.55/403.76 = 182.07/x
  3. Step 3: Cross multiply
    292.55x = 403.76 × 182.07
  4. Step 4: Simplify right side
    292.55x = 73,512.58
  5. Step 5: Solve for x
    x = 73,512.58/292.55
  6. Step 6: Final answer
    x = 251.28

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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.