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Finding the Fourth Proportional to 353,296.52, 529,932.60 and 100,578.56

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Solution

The fourth proportional to 353,296.52, 529,932.60 and 100,578.56 is: 150,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,296.52 : 529,932.60 = 100,578.56 : x
  2. Step 2: Convert to fraction form
    353,296.52/529,932.60 = 100,578.56/x
  3. Step 3: Cross multiply
    353,296.52x = 529,932.60 × 100,578.56
  4. Step 4: Simplify right side
    353,296.52x = 53,299,857,805.06
  5. Step 5: Solve for x
    x = 53,299,857,805.06/353,296.52
  6. Step 6: Final answer
    x = 150,864.37

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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.