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Finding the Fourth Proportional to 361,636.12, 499,057.02 and 200,487.02

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Solution

The fourth proportional to 361,636.12, 499,057.02 and 200,487.02 is: 276,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,636.12 : 499,057.02 = 200,487.02 : x
  2. Step 2: Convert to fraction form
    361,636.12/499,057.02 = 200,487.02/x
  3. Step 3: Cross multiply
    361,636.12x = 499,057.02 × 200,487.02
  4. Step 4: Simplify right side
    361,636.12x = 100,054,454,749.88
  5. Step 5: Solve for x
    x = 100,054,454,749.88/361,636.12
  6. Step 6: Final answer
    x = 276,671.63

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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.