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Finding the Fourth Proportional to 450,790.28, 622,105.40 and 246,849.76

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Solution

The fourth proportional to 450,790.28, 622,105.40 and 246,849.76 is: 340,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,790.28 : 622,105.40 = 246,849.76 : x
  2. Step 2: Convert to fraction form
    450,790.28/622,105.40 = 246,849.76/x
  3. Step 3: Cross multiply
    450,790.28x = 622,105.40 × 246,849.76
  4. Step 4: Simplify right side
    450,790.28x = 153,566,568,684.70
  5. Step 5: Solve for x
    x = 153,566,568,684.70/450,790.28
  6. Step 6: Final answer
    x = 340,660.78

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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.