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Finding the Fourth Proportional to 338,957.88, 467,776.56 and 203,013.96

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Solution

The fourth proportional to 338,957.88, 467,776.56 and 203,013.96 is: 280,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,957.88 : 467,776.56 = 203,013.96 : x
  2. Step 2: Convert to fraction form
    338,957.88/467,776.56 = 203,013.96/x
  3. Step 3: Cross multiply
    338,957.88x = 467,776.56 × 203,013.96
  4. Step 4: Simplify right side
    338,957.88x = 94,965,171,840.78
  5. Step 5: Solve for x
    x = 94,965,171,840.78/338,957.88
  6. Step 6: Final answer
    x = 280,168.06

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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.