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Finding the Fourth Proportional to 352,760.62, 486,346.43 and 254,561.46

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Solution

The fourth proportional to 352,760.62, 486,346.43 and 254,561.46 is: 350,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,760.62 : 486,346.43 = 254,561.46 : x
  2. Step 2: Convert to fraction form
    352,760.62/486,346.43 = 254,561.46/x
  3. Step 3: Cross multiply
    352,760.62x = 486,346.43 × 254,561.46
  4. Step 4: Simplify right side
    352,760.62x = 123,805,053,582.05
  5. Step 5: Solve for x
    x = 123,805,053,582.05/352,760.62
  6. Step 6: Final answer
    x = 350,960.53

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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.