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Finding the Fourth Proportional to 337,245.60, 505,722.60 and 168,700.80

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Solution

The fourth proportional to 337,245.60, 505,722.60 and 168,700.80 is: 252,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,245.60 : 505,722.60 = 168,700.80 : x
  2. Step 2: Convert to fraction form
    337,245.60/505,722.60 = 168,700.80/x
  3. Step 3: Cross multiply
    337,245.60x = 505,722.60 × 168,700.80
  4. Step 4: Simplify right side
    337,245.60x = 85,315,807,198.08
  5. Step 5: Solve for x
    x = 85,315,807,198.08/337,245.60
  6. Step 6: Final answer
    x = 252,978.27

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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.