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Finding the Fourth Proportional to 361,759.09, 499,228.86 and 200,629.03

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Solution

The fourth proportional to 361,759.09, 499,228.86 and 200,629.03 is: 276,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,759.09 : 499,228.86 = 200,629.03 : x
  2. Step 2: Convert to fraction form
    361,759.09/499,228.86 = 200,629.03/x
  3. Step 3: Cross multiply
    361,759.09x = 499,228.86 × 200,629.03
  4. Step 4: Simplify right side
    361,759.09x = 100,159,801,929.81
  5. Step 5: Solve for x
    x = 100,159,801,929.81/361,759.09
  6. Step 6: Final answer
    x = 276,868.79

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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.