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Finding the Fourth Proportional to 734.07, 1,100.72 and 246.96

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Solution

The fourth proportional to 734.07, 1,100.72 and 246.96 is: 370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.07 : 1,100.72 = 246.96 : x
  2. Step 2: Convert to fraction form
    734.07/1,100.72 = 246.96/x
  3. Step 3: Cross multiply
    734.07x = 1,100.72 × 246.96
  4. Step 4: Simplify right side
    734.07x = 271,832.58
  5. Step 5: Solve for x
    x = 271,832.58/734.07
  6. Step 6: Final answer
    x = 370.31

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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.