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Finding the Fourth Proportional to 293.22, 440.13 and 165.06

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Solution

The fourth proportional to 293.22, 440.13 and 165.06 is: 247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.22 : 440.13 = 165.06 : x
  2. Step 2: Convert to fraction form
    293.22/440.13 = 165.06/x
  3. Step 3: Cross multiply
    293.22x = 440.13 × 165.06
  4. Step 4: Simplify right side
    293.22x = 72,647.86
  5. Step 5: Solve for x
    x = 72,647.86/293.22
  6. Step 6: Final answer
    x = 247.76

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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.