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Finding the Fourth Proportional to 361,758.20, 499,227.67 and 200,628.14

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Solution

The fourth proportional to 361,758.20, 499,227.67 and 200,628.14 is: 276,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,758.20 : 499,227.67 = 200,628.14 : x
  2. Step 2: Convert to fraction form
    361,758.20/499,227.67 = 200,628.14/x
  3. Step 3: Cross multiply
    361,758.20x = 499,227.67 × 200,628.14
  4. Step 4: Simplify right side
    361,758.20x = 100,159,117,865.49
  5. Step 5: Solve for x
    x = 100,159,117,865.49/361,758.20
  6. Step 6: Final answer
    x = 276,867.58

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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.