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Finding the Fourth Proportional to 397,991.00, 596,991.09 and 170,255.64

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Solution

The fourth proportional to 397,991.00, 596,991.09 and 170,255.64 is: 255,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,991.00 : 596,991.09 = 170,255.64 : x
  2. Step 2: Convert to fraction form
    397,991.00/596,991.09 = 170,255.64/x
  3. Step 3: Cross multiply
    397,991.00x = 596,991.09 × 170,255.64
  4. Step 4: Simplify right side
    397,991.00x = 101,641,100,102.25
  5. Step 5: Solve for x
    x = 101,641,100,102.25/397,991.00
  6. Step 6: Final answer
    x = 255,385.43

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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.