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Finding the Fourth Proportional to 293.84, 440.46 and 131.32

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Solution

The fourth proportional to 293.84, 440.46 and 131.32 is: 196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.84 : 440.46 = 131.32 : x
  2. Step 2: Convert to fraction form
    293.84/440.46 = 131.32/x
  3. Step 3: Cross multiply
    293.84x = 440.46 × 131.32
  4. Step 4: Simplify right side
    293.84x = 57,841.21
  5. Step 5: Solve for x
    x = 57,841.21/293.84
  6. Step 6: Final answer
    x = 196.85

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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.