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Finding the Fourth Proportional to 337,885.20, 506,940.48 and 113,268

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Solution

The fourth proportional to 337,885.20, 506,940.48 and 113,268 is: 169,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,885.20 : 506,940.48 = 113,268 : x
  2. Step 2: Convert to fraction form
    337,885.20/506,940.48 = 113,268/x
  3. Step 3: Cross multiply
    337,885.20x = 506,940.48 × 113,268
  4. Step 4: Simplify right side
    337,885.20x = 57,420,134,288.64
  5. Step 5: Solve for x
    x = 57,420,134,288.64/337,885.20
  6. Step 6: Final answer
    x = 169,939.77

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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.