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Finding the Fourth Proportional to 361,758.09, 499,227.48 and 200,628.03

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Solution

The fourth proportional to 361,758.09, 499,227.48 and 200,628.03 is: 276,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,758.09 : 499,227.48 = 200,628.03 : x
  2. Step 2: Convert to fraction form
    361,758.09/499,227.48 = 200,628.03/x
  3. Step 3: Cross multiply
    361,758.09x = 499,227.48 × 200,628.03
  4. Step 4: Simplify right side
    361,758.09x = 100,159,025,834.26
  5. Step 5: Solve for x
    x = 100,159,025,834.26/361,758.09
  6. Step 6: Final answer
    x = 276,867.41

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1.5x scale

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.