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Finding the Fourth Proportional to 450,761.64, 622,049.22 and 246,813.48

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Solution

The fourth proportional to 450,761.64, 622,049.22 and 246,813.48 is: 340,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,761.64 : 622,049.22 = 246,813.48 : x
  2. Step 2: Convert to fraction form
    450,761.64/622,049.22 = 246,813.48/x
  3. Step 3: Cross multiply
    450,761.64x = 622,049.22 × 246,813.48
  4. Step 4: Simplify right side
    450,761.64x = 153,530,132,719.49
  5. Step 5: Solve for x
    x = 153,530,132,719.49/450,761.64
  6. Step 6: Final answer
    x = 340,601.59

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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.