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Finding the Fourth Proportional to 622,198.82, 858,650.98 and 350,277.00

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Solution

The fourth proportional to 622,198.82, 858,650.98 and 350,277.00 is: 483,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,198.82 : 858,650.98 = 350,277.00 : x
  2. Step 2: Convert to fraction form
    622,198.82/858,650.98 = 350,277.00/x
  3. Step 3: Cross multiply
    622,198.82x = 858,650.98 × 350,277.00
  4. Step 4: Simplify right side
    622,198.82x = 300,765,690,712.51
  5. Step 5: Solve for x
    x = 300,765,690,712.51/622,198.82
  6. Step 6: Final answer
    x = 483,391.61

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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.