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Finding the Fourth Proportional to 361,999.63, 499,561.68 and 200,857.83

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Solution

The fourth proportional to 361,999.63, 499,561.68 and 200,857.83 is: 277,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,999.63 : 499,561.68 = 200,857.83 : x
  2. Step 2: Convert to fraction form
    361,999.63/499,561.68 = 200,857.83/x
  3. Step 3: Cross multiply
    361,999.63x = 499,561.68 × 200,857.83
  4. Step 4: Simplify right side
    361,999.63x = 100,340,872,745.99
  5. Step 5: Solve for x
    x = 100,340,872,745.99/361,999.63
  6. Step 6: Final answer
    x = 277,185.01

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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.