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Finding the Fourth Proportional to 441,616.28, 662,435.30 and 161,133.48

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Solution

The fourth proportional to 441,616.28, 662,435.30 and 161,133.48 is: 241,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,616.28 : 662,435.30 = 161,133.48 : x
  2. Step 2: Convert to fraction form
    441,616.28/662,435.30 = 161,133.48/x
  3. Step 3: Cross multiply
    441,616.28x = 662,435.30 × 161,133.48
  4. Step 4: Simplify right side
    441,616.28x = 106,740,505,163.84
  5. Step 5: Solve for x
    x = 106,740,505,163.84/441,616.28
  6. Step 6: Final answer
    x = 241,704.19

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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.