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Finding the Fourth Proportional to 266,593.73, 367,655.49 and 208,458

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Solution

The fourth proportional to 266,593.73, 367,655.49 and 208,458 is: 287,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,593.73 : 367,655.49 = 208,458 : x
  2. Step 2: Convert to fraction form
    266,593.73/367,655.49 = 208,458/x
  3. Step 3: Cross multiply
    266,593.73x = 367,655.49 × 208,458
  4. Step 4: Simplify right side
    266,593.73x = 76,640,728,134.42
  5. Step 5: Solve for x
    x = 76,640,728,134.42/266,593.73
  6. Step 6: Final answer
    x = 287,481.37

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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.