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Finding the Fourth Proportional to 303,511.52, 418,865.28 and 169,375.52

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Solution

The fourth proportional to 303,511.52, 418,865.28 and 169,375.52 is: 233,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,511.52 : 418,865.28 = 169,375.52 : x
  2. Step 2: Convert to fraction form
    303,511.52/418,865.28 = 169,375.52/x
  3. Step 3: Cross multiply
    303,511.52x = 418,865.28 × 169,375.52
  4. Step 4: Simplify right side
    303,511.52x = 70,945,524,609.95
  5. Step 5: Solve for x
    x = 70,945,524,609.95/303,511.52
  6. Step 6: Final answer
    x = 233,749.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.