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Finding the Fourth Proportional to 303,350.40, 418,706.82 and 176,067

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Solution

The fourth proportional to 303,350.40, 418,706.82 and 176,067 is: 243,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,350.40 : 418,706.82 = 176,067 : x
  2. Step 2: Convert to fraction form
    303,350.40/418,706.82 = 176,067/x
  3. Step 3: Cross multiply
    303,350.40x = 418,706.82 × 176,067
  4. Step 4: Simplify right side
    303,350.40x = 73,720,453,676.94
  5. Step 5: Solve for x
    x = 73,720,453,676.94/303,350.40
  6. Step 6: Final answer
    x = 243,020.79

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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.