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Finding the Fourth Proportional to 361,805.08, 499,231.20 and 200,634.52

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Solution

The fourth proportional to 361,805.08, 499,231.20 and 200,634.52 is: 276,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,805.08 : 499,231.20 = 200,634.52 : x
  2. Step 2: Convert to fraction form
    361,805.08/499,231.20 = 200,634.52/x
  3. Step 3: Cross multiply
    361,805.08x = 499,231.20 × 200,634.52
  4. Step 4: Simplify right side
    361,805.08x = 100,163,012,181.02
  5. Step 5: Solve for x
    x = 100,163,012,181.02/361,805.08
  6. Step 6: Final answer
    x = 276,842.47

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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.