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Finding the Fourth Proportional to 481,826.68, 722,854.86 and 166,286.32

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Solution

The fourth proportional to 481,826.68, 722,854.86 and 166,286.32 is: 249,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,826.68 : 722,854.86 = 166,286.32 : x
  2. Step 2: Convert to fraction form
    481,826.68/722,854.86 = 166,286.32/x
  3. Step 3: Cross multiply
    481,826.68x = 722,854.86 × 166,286.32
  4. Step 4: Simplify right side
    481,826.68x = 120,200,874,563.52
  5. Step 5: Solve for x
    x = 120,200,874,563.52/481,826.68
  6. Step 6: Final answer
    x = 249,469.11

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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.