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Finding the Fourth Proportional to 303,554.92, 418,906.41 and 167,589.13

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Solution

The fourth proportional to 303,554.92, 418,906.41 and 167,589.13 is: 231,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,554.92 : 418,906.41 = 167,589.13 : x
  2. Step 2: Convert to fraction form
    303,554.92/418,906.41 = 167,589.13/x
  3. Step 3: Cross multiply
    303,554.92x = 418,906.41 × 167,589.13
  4. Step 4: Simplify right side
    303,554.92x = 70,204,159,756.06
  5. Step 5: Solve for x
    x = 70,204,159,756.06/303,554.92
  6. Step 6: Final answer
    x = 231,273.34

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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.