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Finding the Fourth Proportional to 422,525.77, 633,789.73 and 106,982.71

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Solution

The fourth proportional to 422,525.77, 633,789.73 and 106,982.71 is: 160,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,525.77 : 633,789.73 = 106,982.71 : x
  2. Step 2: Convert to fraction form
    422,525.77/633,789.73 = 106,982.71/x
  3. Step 3: Cross multiply
    422,525.77x = 633,789.73 × 106,982.71
  4. Step 4: Simplify right side
    422,525.77x = 67,804,541,434.82
  5. Step 5: Solve for x
    x = 67,804,541,434.82/422,525.77
  6. Step 6: Final answer
    x = 160,474.33

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1.5x scale

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.