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Finding the Fourth Proportional to 303,850.78, 419,292.53 and 167,883.24

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Solution

The fourth proportional to 303,850.78, 419,292.53 and 167,883.24 is: 231,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,850.78 : 419,292.53 = 167,883.24 : x
  2. Step 2: Convert to fraction form
    303,850.78/419,292.53 = 167,883.24/x
  3. Step 3: Cross multiply
    303,850.78x = 419,292.53 × 167,883.24
  4. Step 4: Simplify right side
    303,850.78x = 70,392,188,444.20
  5. Step 5: Solve for x
    x = 70,392,188,444.20/303,850.78
  6. Step 6: Final answer
    x = 231,666.97

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1.5x scale

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.