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Finding the Fourth Proportional to 733.89, 1,100.90 and 246.97

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Solution

The fourth proportional to 733.89, 1,100.90 and 246.97 is: 370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.89 : 1,100.90 = 246.97 : x
  2. Step 2: Convert to fraction form
    733.89/1,100.90 = 246.97/x
  3. Step 3: Cross multiply
    733.89x = 1,100.90 × 246.97
  4. Step 4: Simplify right side
    733.89x = 271,889.27
  5. Step 5: Solve for x
    x = 271,889.27/733.89
  6. Step 6: Final answer
    x = 370.48

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1.5x scale

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.