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Finding the Fourth Proportional to 337,309.60, 505,672.80 and 204,048.40

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Solution

The fourth proportional to 337,309.60, 505,672.80 and 204,048.40 is: 305,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,309.60 : 505,672.80 = 204,048.40 : x
  2. Step 2: Convert to fraction form
    337,309.60/505,672.80 = 204,048.40/x
  3. Step 3: Cross multiply
    337,309.60x = 505,672.80 × 204,048.40
  4. Step 4: Simplify right side
    337,309.60x = 103,181,725,763.52
  5. Step 5: Solve for x
    x = 103,181,725,763.52/337,309.60
  6. Step 6: Final answer
    x = 305,896.20

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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.