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Finding the Fourth Proportional to 361,700.32, 499,131.84 and 198,353.44

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Solution

The fourth proportional to 361,700.32, 499,131.84 and 198,353.44 is: 273,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,700.32 : 499,131.84 = 198,353.44 : x
  2. Step 2: Convert to fraction form
    361,700.32/499,131.84 = 198,353.44/x
  3. Step 3: Cross multiply
    361,700.32x = 499,131.84 × 198,353.44
  4. Step 4: Simplify right side
    361,700.32x = 99,004,517,477.53
  5. Step 5: Solve for x
    x = 99,004,517,477.53/361,700.32
  6. Step 6: Final answer
    x = 273,719.74

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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.