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Finding the Fourth Proportional to 735.93, 1,103.73 and 273.93

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Solution

The fourth proportional to 735.93, 1,103.73 and 273.93 is: 410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.93 : 1,103.73 = 273.93 : x
  2. Step 2: Convert to fraction form
    735.93/1,103.73 = 273.93/x
  3. Step 3: Cross multiply
    735.93x = 1,103.73 × 273.93
  4. Step 4: Simplify right side
    735.93x = 302,344.76
  5. Step 5: Solve for x
    x = 302,344.76/735.93
  6. Step 6: Final answer
    x = 410.83

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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.