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Finding the Fourth Proportional to 294.33, 440.96 and 149.88

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Solution

The fourth proportional to 294.33, 440.96 and 149.88 is: 224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.33 : 440.96 = 149.88 : x
  2. Step 2: Convert to fraction form
    294.33/440.96 = 149.88/x
  3. Step 3: Cross multiply
    294.33x = 440.96 × 149.88
  4. Step 4: Simplify right side
    294.33x = 66,090.34
  5. Step 5: Solve for x
    x = 66,090.34/294.33
  6. Step 6: Final answer
    x = 224.55

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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.