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Finding the Fourth Proportional to 361,653.02, 499,080.28 and 200,503.94

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Solution

The fourth proportional to 361,653.02, 499,080.28 and 200,503.94 is: 276,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,653.02 : 499,080.28 = 200,503.94 : x
  2. Step 2: Convert to fraction form
    361,653.02/499,080.28 = 200,503.94/x
  3. Step 3: Cross multiply
    361,653.02x = 499,080.28 × 200,503.94
  4. Step 4: Simplify right side
    361,653.02x = 100,067,562,516.30
  5. Step 5: Solve for x
    x = 100,067,562,516.30/361,653.02
  6. Step 6: Final answer
    x = 276,694.95

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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.