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Finding the Fourth Proportional to 599,961.78, 827,959.21 and 328,046.61

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Solution

The fourth proportional to 599,961.78, 827,959.21 and 328,046.61 is: 452,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,961.78 : 827,959.21 = 328,046.61 : x
  2. Step 2: Convert to fraction form
    599,961.78/827,959.21 = 328,046.61/x
  3. Step 3: Cross multiply
    599,961.78x = 827,959.21 × 328,046.61
  4. Step 4: Simplify right side
    599,961.78x = 271,609,212,058.78
  5. Step 5: Solve for x
    x = 271,609,212,058.78/599,961.78
  6. Step 6: Final answer
    x = 452,710.86

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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.