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Finding the Fourth Proportional to 942.68, 1,414.07 and 293.33

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Solution

The fourth proportional to 942.68, 1,414.07 and 293.33 is: 440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.68 : 1,414.07 = 293.33 : x
  2. Step 2: Convert to fraction form
    942.68/1,414.07 = 293.33/x
  3. Step 3: Cross multiply
    942.68x = 1,414.07 × 293.33
  4. Step 4: Simplify right side
    942.68x = 414,789.15
  5. Step 5: Solve for x
    x = 414,789.15/942.68
  6. Step 6: Final answer
    x = 440.01

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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.