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Finding the Fourth Proportional to 737.07, 1,105.32 and 531.03

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Solution

The fourth proportional to 737.07, 1,105.32 and 531.03 is: 796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.07 : 1,105.32 = 531.03 : x
  2. Step 2: Convert to fraction form
    737.07/1,105.32 = 531.03/x
  3. Step 3: Cross multiply
    737.07x = 1,105.32 × 531.03
  4. Step 4: Simplify right side
    737.07x = 586,958.08
  5. Step 5: Solve for x
    x = 586,958.08/737.07
  6. Step 6: Final answer
    x = 796.34

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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.