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Finding the Fourth Proportional to 484,453.16, 668,540.52 and 269,589.54

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Solution

The fourth proportional to 484,453.16, 668,540.52 and 269,589.54 is: 372,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,453.16 : 668,540.52 = 269,589.54 : x
  2. Step 2: Convert to fraction form
    484,453.16/668,540.52 = 269,589.54/x
  3. Step 3: Cross multiply
    484,453.16x = 668,540.52 × 269,589.54
  4. Step 4: Simplify right side
    484,453.16x = 180,231,531,258.16
  5. Step 5: Solve for x
    x = 180,231,531,258.16/484,453.16
  6. Step 6: Final answer
    x = 372,030.87

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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.