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Finding the Fourth Proportional to 735.36, 1,103.85 and 492.36

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Solution

The fourth proportional to 735.36, 1,103.85 and 492.36 is: 739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.36 : 1,103.85 = 492.36 : x
  2. Step 2: Convert to fraction form
    735.36/1,103.85 = 492.36/x
  3. Step 3: Cross multiply
    735.36x = 1,103.85 × 492.36
  4. Step 4: Simplify right side
    735.36x = 543,491.59
  5. Step 5: Solve for x
    x = 543,491.59/735.36
  6. Step 6: Final answer
    x = 739.08

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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.