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Finding the Fourth Proportional to 335,956.20, 503,243.10 and 169,837.80

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Solution

The fourth proportional to 335,956.20, 503,243.10 and 169,837.80 is: 254,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,956.20 : 503,243.10 = 169,837.80 : x
  2. Step 2: Convert to fraction form
    335,956.20/503,243.10 = 169,837.80/x
  3. Step 3: Cross multiply
    335,956.20x = 503,243.10 × 169,837.80
  4. Step 4: Simplify right side
    335,956.20x = 85,469,700,969.18
  5. Step 5: Solve for x
    x = 85,469,700,969.18/335,956.20
  6. Step 6: Final answer
    x = 254,407.27

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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.