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Finding the Fourth Proportional to 294.48, 442.44 and 166.32

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Solution

The fourth proportional to 294.48, 442.44 and 166.32 is: 249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.48 : 442.44 = 166.32 : x
  2. Step 2: Convert to fraction form
    294.48/442.44 = 166.32/x
  3. Step 3: Cross multiply
    294.48x = 442.44 × 166.32
  4. Step 4: Simplify right side
    294.48x = 73,586.62
  5. Step 5: Solve for x
    x = 73,586.62/294.48
  6. Step 6: Final answer
    x = 249.89

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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.