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Finding the Fourth Proportional to 293.96, 440.68 and 250.64

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Solution

The fourth proportional to 293.96, 440.68 and 250.64 is: 375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.96 : 440.68 = 250.64 : x
  2. Step 2: Convert to fraction form
    293.96/440.68 = 250.64/x
  3. Step 3: Cross multiply
    293.96x = 440.68 × 250.64
  4. Step 4: Simplify right side
    293.96x = 110,452.04
  5. Step 5: Solve for x
    x = 110,452.04/293.96
  6. Step 6: Final answer
    x = 375.74

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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.