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Finding the Fourth Proportional to 881.66, 1,322.62 and 232.44

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Solution

The fourth proportional to 881.66, 1,322.62 and 232.44 is: 348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.66 : 1,322.62 = 232.44 : x
  2. Step 2: Convert to fraction form
    881.66/1,322.62 = 232.44/x
  3. Step 3: Cross multiply
    881.66x = 1,322.62 × 232.44
  4. Step 4: Simplify right side
    881.66x = 307,429.21
  5. Step 5: Solve for x
    x = 307,429.21/881.66
  6. Step 6: Final answer
    x = 348.70

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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.