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Finding the Fourth Proportional to 458,839.60, 633,299.82 and 254,960.56

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Solution

The fourth proportional to 458,839.60, 633,299.82 and 254,960.56 is: 351,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,839.60 : 633,299.82 = 254,960.56 : x
  2. Step 2: Convert to fraction form
    458,839.60/633,299.82 = 254,960.56/x
  3. Step 3: Cross multiply
    458,839.60x = 633,299.82 × 254,960.56
  4. Step 4: Simplify right side
    458,839.60x = 161,466,476,755.10
  5. Step 5: Solve for x
    x = 161,466,476,755.10/458,839.60
  6. Step 6: Final answer
    x = 351,901.79

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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.