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Finding the Fourth Proportional to 733.79, 1,100.70 and 246.83

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Solution

The fourth proportional to 733.79, 1,100.70 and 246.83 is: 370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.79 : 1,100.70 = 246.83 : x
  2. Step 2: Convert to fraction form
    733.79/1,100.70 = 246.83/x
  3. Step 3: Cross multiply
    733.79x = 1,100.70 × 246.83
  4. Step 4: Simplify right side
    733.79x = 271,680.28
  5. Step 5: Solve for x
    x = 271,680.28/733.79
  6. Step 6: Final answer
    x = 370.24

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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.