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Finding the Fourth Proportional to 943.22, 1,414.92 and 293.94

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Solution

The fourth proportional to 943.22, 1,414.92 and 293.94 is: 440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.22 : 1,414.92 = 293.94 : x
  2. Step 2: Convert to fraction form
    943.22/1,414.92 = 293.94/x
  3. Step 3: Cross multiply
    943.22x = 1,414.92 × 293.94
  4. Step 4: Simplify right side
    943.22x = 415,901.58
  5. Step 5: Solve for x
    x = 415,901.58/943.22
  6. Step 6: Final answer
    x = 440.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.