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Finding the Fourth Proportional to 322.44, 445.00 and 182.58

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Solution

The fourth proportional to 322.44, 445.00 and 182.58 is: 251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.44 : 445.00 = 182.58 : x
  2. Step 2: Convert to fraction form
    322.44/445.00 = 182.58/x
  3. Step 3: Cross multiply
    322.44x = 445.00 × 182.58
  4. Step 4: Simplify right side
    322.44x = 81,248.82
  5. Step 5: Solve for x
    x = 81,248.82/322.44
  6. Step 6: Final answer
    x = 251.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.