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Finding the Fourth Proportional to 337,309.10, 505,672.05 and 204,047.90

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Solution

The fourth proportional to 337,309.10, 505,672.05 and 204,047.90 is: 305,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,309.10 : 505,672.05 = 204,047.90 : x
  2. Step 2: Convert to fraction form
    337,309.10/505,672.05 = 204,047.90/x
  3. Step 3: Cross multiply
    337,309.10x = 505,672.05 × 204,047.90
  4. Step 4: Simplify right side
    337,309.10x = 103,181,319,891.20
  5. Step 5: Solve for x
    x = 103,181,319,891.20/337,309.10
  6. Step 6: Final answer
    x = 305,895.45

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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.