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Finding the Fourth Proportional to 441.15, 608.46 and 293.73

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Solution

The fourth proportional to 441.15, 608.46 and 293.73 is: 405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.15 : 608.46 = 293.73 : x
  2. Step 2: Convert to fraction form
    441.15/608.46 = 293.73/x
  3. Step 3: Cross multiply
    441.15x = 608.46 × 293.73
  4. Step 4: Simplify right side
    441.15x = 178,722.96
  5. Step 5: Solve for x
    x = 178,722.96/441.15
  6. Step 6: Final answer
    x = 405.13

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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.