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Finding the Fourth Proportional to 571,634.44, 857,485.32 and 192,523.48

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Solution

The fourth proportional to 571,634.44, 857,485.32 and 192,523.48 is: 288,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,634.44 : 857,485.32 = 192,523.48 : x
  2. Step 2: Convert to fraction form
    571,634.44/857,485.32 = 192,523.48/x
  3. Step 3: Cross multiply
    571,634.44x = 857,485.32 × 192,523.48
  4. Step 4: Simplify right side
    571,634.44x = 165,086,057,855.31
  5. Step 5: Solve for x
    x = 165,086,057,855.31/571,634.44
  6. Step 6: Final answer
    x = 288,796.56

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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.