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Finding the Fourth Proportional to 734.76, 1,101.49 and 474.96

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Solution

The fourth proportional to 734.76, 1,101.49 and 474.96 is: 712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.76 : 1,101.49 = 474.96 : x
  2. Step 2: Convert to fraction form
    734.76/1,101.49 = 474.96/x
  3. Step 3: Cross multiply
    734.76x = 1,101.49 × 474.96
  4. Step 4: Simplify right side
    734.76x = 523,163.69
  5. Step 5: Solve for x
    x = 523,163.69/734.76
  6. Step 6: Final answer
    x = 712.02

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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.