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Finding the Fourth Proportional to 292.73, 437.16 and 254.33

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Solution

The fourth proportional to 292.73, 437.16 and 254.33 is: 379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.73 : 437.16 = 254.33 : x
  2. Step 2: Convert to fraction form
    292.73/437.16 = 254.33/x
  3. Step 3: Cross multiply
    292.73x = 437.16 × 254.33
  4. Step 4: Simplify right side
    292.73x = 111,180.72
  5. Step 5: Solve for x
    x = 111,180.72/292.73
  6. Step 6: Final answer
    x = 379.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.