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Finding the Fourth Proportional to 303,295.44, 418,549.12 and 167,331.04

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Solution

The fourth proportional to 303,295.44, 418,549.12 and 167,331.04 is: 230,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,295.44 : 418,549.12 = 167,331.04 : x
  2. Step 2: Convert to fraction form
    303,295.44/418,549.12 = 167,331.04/x
  3. Step 3: Cross multiply
    303,295.44x = 418,549.12 × 167,331.04
  4. Step 4: Simplify right side
    303,295.44x = 70,036,259,540.68
  5. Step 5: Solve for x
    x = 70,036,259,540.68/303,295.44
  6. Step 6: Final answer
    x = 230,917.61

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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.