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Finding the Fourth Proportional to 438,777, 605,512.26 and 237,573

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Solution

The fourth proportional to 438,777, 605,512.26 and 237,573 is: 327,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,777 : 605,512.26 = 237,573 : x
  2. Step 2: Convert to fraction form
    438,777/605,512.26 = 237,573/x
  3. Step 3: Cross multiply
    438,777x = 605,512.26 × 237,573
  4. Step 4: Simplify right side
    438,777x = 143,853,364,144.98
  5. Step 5: Solve for x
    x = 143,853,364,144.98/438,777
  6. Step 6: Final answer
    x = 327,850.74

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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.