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Finding the Fourth Proportional to 361,662.72, 499,073.28 and 200,509.44

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Solution

The fourth proportional to 361,662.72, 499,073.28 and 200,509.44 is: 276,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,662.72 : 499,073.28 = 200,509.44 : x
  2. Step 2: Convert to fraction form
    361,662.72/499,073.28 = 200,509.44/x
  3. Step 3: Cross multiply
    361,662.72x = 499,073.28 × 200,509.44
  4. Step 4: Simplify right side
    361,662.72x = 100,068,903,891.76
  5. Step 5: Solve for x
    x = 100,068,903,891.76/361,662.72
  6. Step 6: Final answer
    x = 276,691.23

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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.