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Finding the Fourth Proportional to 325,481.37, 449,060.50 and 210,847.89

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Solution

The fourth proportional to 325,481.37, 449,060.50 and 210,847.89 is: 290,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,481.37 : 449,060.50 = 210,847.89 : x
  2. Step 2: Convert to fraction form
    325,481.37/449,060.50 = 210,847.89/x
  3. Step 3: Cross multiply
    325,481.37x = 449,060.50 × 210,847.89
  4. Step 4: Simplify right side
    325,481.37x = 94,683,458,380.23
  5. Step 5: Solve for x
    x = 94,683,458,380.23/325,481.37
  6. Step 6: Final answer
    x = 290,902.85

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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.