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Finding the Fourth Proportional to 279,227.39, 415,682.96 and 277,566.66

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Solution

The fourth proportional to 279,227.39, 415,682.96 and 277,566.66 is: 413,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,227.39 : 415,682.96 = 277,566.66 : x
  2. Step 2: Convert to fraction form
    279,227.39/415,682.96 = 277,566.66/x
  3. Step 3: Cross multiply
    279,227.39x = 415,682.96 × 277,566.66
  4. Step 4: Simplify right side
    279,227.39x = 115,379,729,438.28
  5. Step 5: Solve for x
    x = 115,379,729,438.28/279,227.39
  6. Step 6: Final answer
    x = 413,210.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.