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Finding the Fourth Proportional to 361,899.39, 499,380.85 and 200,714.05

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Solution

The fourth proportional to 361,899.39, 499,380.85 and 200,714.05 is: 276,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,899.39 : 499,380.85 = 200,714.05 : x
  2. Step 2: Convert to fraction form
    361,899.39/499,380.85 = 200,714.05/x
  3. Step 3: Cross multiply
    361,899.39x = 499,380.85 × 200,714.05
  4. Step 4: Simplify right side
    361,899.39x = 100,232,752,895.94
  5. Step 5: Solve for x
    x = 100,232,752,895.94/361,899.39
  6. Step 6: Final answer
    x = 276,963.03

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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.