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Finding the Fourth Proportional to 296.40, 444.26 and 166.34

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Solution

The fourth proportional to 296.40, 444.26 and 166.34 is: 249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.40 : 444.26 = 166.34 : x
  2. Step 2: Convert to fraction form
    296.40/444.26 = 166.34/x
  3. Step 3: Cross multiply
    296.40x = 444.26 × 166.34
  4. Step 4: Simplify right side
    296.40x = 73,895.16
  5. Step 5: Solve for x
    x = 73,895.16/296.40
  6. Step 6: Final answer
    x = 249.31

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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.