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Finding the Fourth Proportional to 481,027.25, 663,772.41 and 325,662.51

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Solution

The fourth proportional to 481,027.25, 663,772.41 and 325,662.51 is: 449,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,027.25 : 663,772.41 = 325,662.51 : x
  2. Step 2: Convert to fraction form
    481,027.25/663,772.41 = 325,662.51/x
  3. Step 3: Cross multiply
    481,027.25x = 663,772.41 × 325,662.51
  4. Step 4: Simplify right side
    481,027.25x = 216,165,789,109.35
  5. Step 5: Solve for x
    x = 216,165,789,109.35/481,027.25
  6. Step 6: Final answer
    x = 449,383.67

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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.