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Finding the Fourth Proportional to 293.52, 440.46 and 156.52

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Solution

The fourth proportional to 293.52, 440.46 and 156.52 is: 234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.52 : 440.46 = 156.52 : x
  2. Step 2: Convert to fraction form
    293.52/440.46 = 156.52/x
  3. Step 3: Cross multiply
    293.52x = 440.46 × 156.52
  4. Step 4: Simplify right side
    293.52x = 68,940.80
  5. Step 5: Solve for x
    x = 68,940.80/293.52
  6. Step 6: Final answer
    x = 234.88

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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.