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Finding the Fourth Proportional to 361,950.30, 499,551.37 and 200,857.09

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Solution

The fourth proportional to 361,950.30, 499,551.37 and 200,857.09 is: 277,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,950.30 : 499,551.37 = 200,857.09 : x
  2. Step 2: Convert to fraction form
    361,950.30/499,551.37 = 200,857.09/x
  3. Step 3: Cross multiply
    361,950.30x = 499,551.37 × 200,857.09
  4. Step 4: Simplify right side
    361,950.30x = 100,338,433,479.43
  5. Step 5: Solve for x
    x = 100,338,433,479.43/361,950.30
  6. Step 6: Final answer
    x = 277,216.06

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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.