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Finding the Fourth Proportional to 337,165.20, 505,747.80 and 169,203.60

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Solution

The fourth proportional to 337,165.20, 505,747.80 and 169,203.60 is: 253,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,165.20 : 505,747.80 = 169,203.60 : x
  2. Step 2: Convert to fraction form
    337,165.20/505,747.80 = 169,203.60/x
  3. Step 3: Cross multiply
    337,165.20x = 505,747.80 × 169,203.60
  4. Step 4: Simplify right side
    337,165.20x = 85,574,348,452.08
  5. Step 5: Solve for x
    x = 85,574,348,452.08/337,165.20
  6. Step 6: Final answer
    x = 253,805.40

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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.