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Finding the Fourth Proportional to 361,793.48, 499,304.88 and 200,700.45

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Solution

The fourth proportional to 361,793.48, 499,304.88 and 200,700.45 is: 276,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,793.48 : 499,304.88 = 200,700.45 : x
  2. Step 2: Convert to fraction form
    361,793.48/499,304.88 = 200,700.45/x
  3. Step 3: Cross multiply
    361,793.48x = 499,304.88 × 200,700.45
  4. Step 4: Simplify right side
    361,793.48x = 100,210,714,103.20
  5. Step 5: Solve for x
    x = 100,210,714,103.20/361,793.48
  6. Step 6: Final answer
    x = 276,983.20

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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.