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Finding the Fourth Proportional to 341,536.56, 512,329.44 and 131,174.49

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Solution

The fourth proportional to 341,536.56, 512,329.44 and 131,174.49 is: 196,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,536.56 : 512,329.44 = 131,174.49 : x
  2. Step 2: Convert to fraction form
    341,536.56/512,329.44 = 131,174.49/x
  3. Step 3: Cross multiply
    341,536.56x = 512,329.44 × 131,174.49
  4. Step 4: Simplify right side
    341,536.56x = 67,204,553,003.99
  5. Step 5: Solve for x
    x = 67,204,553,003.99/341,536.56
  6. Step 6: Final answer
    x = 196,771.18

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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.