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Finding the Fourth Proportional to 246,393.92, 339,715.54 and 205,616.84

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Solution

The fourth proportional to 246,393.92, 339,715.54 and 205,616.84 is: 283,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,393.92 : 339,715.54 = 205,616.84 : x
  2. Step 2: Convert to fraction form
    246,393.92/339,715.54 = 205,616.84/x
  3. Step 3: Cross multiply
    246,393.92x = 339,715.54 × 205,616.84
  4. Step 4: Simplify right side
    246,393.92x = 69,851,235,833.69
  5. Step 5: Solve for x
    x = 69,851,235,833.69/246,393.92
  6. Step 6: Final answer
    x = 283,494.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.