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Finding the Fourth Proportional to 442,596.56, 662,773.73 and 274,445.31

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Solution

The fourth proportional to 442,596.56, 662,773.73 and 274,445.31 is: 410,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,596.56 : 662,773.73 = 274,445.31 : x
  2. Step 2: Convert to fraction form
    442,596.56/662,773.73 = 274,445.31/x
  3. Step 3: Cross multiply
    442,596.56x = 662,773.73 × 274,445.31
  4. Step 4: Simplify right side
    442,596.56x = 181,895,142,902.88
  5. Step 5: Solve for x
    x = 181,895,142,902.88/442,596.56
  6. Step 6: Final answer
    x = 410,972.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.