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Finding the Fourth Proportional to 494,087.73, 740,559.33 and 227,288.31

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Solution

The fourth proportional to 494,087.73, 740,559.33 and 227,288.31 is: 340,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,087.73 : 740,559.33 = 227,288.31 : x
  2. Step 2: Convert to fraction form
    494,087.73/740,559.33 = 227,288.31/x
  3. Step 3: Cross multiply
    494,087.73x = 740,559.33 × 227,288.31
  4. Step 4: Simplify right side
    494,087.73x = 168,320,478,570.43
  5. Step 5: Solve for x
    x = 168,320,478,570.43/494,087.73
  6. Step 6: Final answer
    x = 340,669.21

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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.