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Finding the Fourth Proportional to 736.14, 1,104.36 and 273.91

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Solution

The fourth proportional to 736.14, 1,104.36 and 273.91 is: 410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.14 : 1,104.36 = 273.91 : x
  2. Step 2: Convert to fraction form
    736.14/1,104.36 = 273.91/x
  3. Step 3: Cross multiply
    736.14x = 1,104.36 × 273.91
  4. Step 4: Simplify right side
    736.14x = 302,491.19
  5. Step 5: Solve for x
    x = 302,491.19/736.14
  6. Step 6: Final answer
    x = 410.92

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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.