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Finding the Fourth Proportional to 303,354.57, 418,628.82 and 167,388.41

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Solution

The fourth proportional to 303,354.57, 418,628.82 and 167,388.41 is: 230,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,354.57 : 418,628.82 = 167,388.41 : x
  2. Step 2: Convert to fraction form
    303,354.57/418,628.82 = 167,388.41/x
  3. Step 3: Cross multiply
    303,354.57x = 418,628.82 × 167,388.41
  4. Step 4: Simplify right side
    303,354.57x = 70,073,614,234.25
  5. Step 5: Solve for x
    x = 70,073,614,234.25/303,354.57
  6. Step 6: Final answer
    x = 230,995.74

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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.