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Finding the Fourth Proportional to 735.36, 1,103.04 and 528.96

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Solution

The fourth proportional to 735.36, 1,103.04 and 528.96 is: 793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.36 : 1,103.04 = 528.96 : x
  2. Step 2: Convert to fraction form
    735.36/1,103.04 = 528.96/x
  3. Step 3: Cross multiply
    735.36x = 1,103.04 × 528.96
  4. Step 4: Simplify right side
    735.36x = 583,464.04
  5. Step 5: Solve for x
    x = 583,464.04/735.36
  6. Step 6: Final answer
    x = 793.44

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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.