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Finding the Fourth Proportional to 303,414.92, 454,760.56 and 141,089.72

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Solution

The fourth proportional to 303,414.92, 454,760.56 and 141,089.72 is: 211,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,414.92 : 454,760.56 = 141,089.72 : x
  2. Step 2: Convert to fraction form
    303,414.92/454,760.56 = 141,089.72/x
  3. Step 3: Cross multiply
    303,414.92x = 454,760.56 × 141,089.72
  4. Step 4: Simplify right side
    303,414.92x = 64,162,040,077.44
  5. Step 5: Solve for x
    x = 64,162,040,077.44/303,414.92
  6. Step 6: Final answer
    x = 211,466.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.