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Finding the Fourth Proportional to 337,079.40, 505,619.10 and 203,891.10

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Solution

The fourth proportional to 337,079.40, 505,619.10 and 203,891.10 is: 305,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,079.40 : 505,619.10 = 203,891.10 : x
  2. Step 2: Convert to fraction form
    337,079.40/505,619.10 = 203,891.10/x
  3. Step 3: Cross multiply
    337,079.40x = 505,619.10 × 203,891.10
  4. Step 4: Simplify right side
    337,079.40x = 103,091,234,480.01
  5. Step 5: Solve for x
    x = 103,091,234,480.01/337,079.40
  6. Step 6: Final answer
    x = 305,836.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.