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Finding the Fourth Proportional to 337,402.60, 505,958.10 and 168,857.80

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Solution

The fourth proportional to 337,402.60, 505,958.10 and 168,857.80 is: 253,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,402.60 : 505,958.10 = 168,857.80 : x
  2. Step 2: Convert to fraction form
    337,402.60/505,958.10 = 168,857.80/x
  3. Step 3: Cross multiply
    337,402.60x = 505,958.10 × 168,857.80
  4. Step 4: Simplify right side
    337,402.60x = 85,434,971,658.18
  5. Step 5: Solve for x
    x = 85,434,971,658.18/337,402.60
  6. Step 6: Final answer
    x = 253,213.73

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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.