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Finding the Fourth Proportional to 361,044.80, 498,260.24 and 199,917.64

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Solution

The fourth proportional to 361,044.80, 498,260.24 and 199,917.64 is: 275,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,044.80 : 498,260.24 = 199,917.64 : x
  2. Step 2: Convert to fraction form
    361,044.80/498,260.24 = 199,917.64/x
  3. Step 3: Cross multiply
    361,044.80x = 498,260.24 × 199,917.64
  4. Step 4: Simplify right side
    361,044.80x = 99,611,011,286.63
  5. Step 5: Solve for x
    x = 99,611,011,286.63/361,044.80
  6. Step 6: Final answer
    x = 275,896.54

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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.