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Finding the Fourth Proportional to 733.86, 1,100.76 and 186.03

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Solution

The fourth proportional to 733.86, 1,100.76 and 186.03 is: 279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.86 : 1,100.76 = 186.03 : x
  2. Step 2: Convert to fraction form
    733.86/1,100.76 = 186.03/x
  3. Step 3: Cross multiply
    733.86x = 1,100.76 × 186.03
  4. Step 4: Simplify right side
    733.86x = 204,774.38
  5. Step 5: Solve for x
    x = 204,774.38/733.86
  6. Step 6: Final answer
    x = 279.04

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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.