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Finding the Fourth Proportional to 323,087.30, 445,902.25 and 185,319.98

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Solution

The fourth proportional to 323,087.30, 445,902.25 and 185,319.98 is: 255,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,087.30 : 445,902.25 = 185,319.98 : x
  2. Step 2: Convert to fraction form
    323,087.30/445,902.25 = 185,319.98/x
  3. Step 3: Cross multiply
    323,087.30x = 445,902.25 × 185,319.98
  4. Step 4: Simplify right side
    323,087.30x = 82,634,593,822.44
  5. Step 5: Solve for x
    x = 82,634,593,822.44/323,087.30
  6. Step 6: Final answer
    x = 255,765.53

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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.