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Finding the Fourth Proportional to 294.34, 441.51 and 131.98

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Solution

The fourth proportional to 294.34, 441.51 and 131.98 is: 197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.34 : 441.51 = 131.98 : x
  2. Step 2: Convert to fraction form
    294.34/441.51 = 131.98/x
  3. Step 3: Cross multiply
    294.34x = 441.51 × 131.98
  4. Step 4: Simplify right side
    294.34x = 58,270.49
  5. Step 5: Solve for x
    x = 58,270.49/294.34
  6. Step 6: Final answer
    x = 197.97

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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.