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Finding the Fourth Proportional to 352,757.75, 486,342.46 and 254,558.58

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Solution

The fourth proportional to 352,757.75, 486,342.46 and 254,558.58 is: 350,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,757.75 : 486,342.46 = 254,558.58 : x
  2. Step 2: Convert to fraction form
    352,757.75/486,342.46 = 254,558.58/x
  3. Step 3: Cross multiply
    352,757.75x = 486,342.46 × 254,558.58
  4. Step 4: Simplify right side
    352,757.75x = 123,802,646,011.31
  5. Step 5: Solve for x
    x = 123,802,646,011.31/352,757.75
  6. Step 6: Final answer
    x = 350,956.56

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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.