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Finding the Fourth Proportional to 573,976.44, 792,087.48 and 319,327.56

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Solution

The fourth proportional to 573,976.44, 792,087.48 and 319,327.56 is: 440,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,976.44 : 792,087.48 = 319,327.56 : x
  2. Step 2: Convert to fraction form
    573,976.44/792,087.48 = 319,327.56/x
  3. Step 3: Cross multiply
    573,976.44x = 792,087.48 × 319,327.56
  4. Step 4: Simplify right side
    573,976.44x = 252,935,362,294.95
  5. Step 5: Solve for x
    x = 252,935,362,294.95/573,976.44
  6. Step 6: Final answer
    x = 440,672.03

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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.