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Finding the Fourth Proportional to 293.07, 439.63 and 110.46

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Solution

The fourth proportional to 293.07, 439.63 and 110.46 is: 165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.07 : 439.63 = 110.46 : x
  2. Step 2: Convert to fraction form
    293.07/439.63 = 110.46/x
  3. Step 3: Cross multiply
    293.07x = 439.63 × 110.46
  4. Step 4: Simplify right side
    293.07x = 48,562.90
  5. Step 5: Solve for x
    x = 48,562.90/293.07
  6. Step 6: Final answer
    x = 165.71

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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.