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Finding the Fourth Proportional to 622,194.56, 933,439.44 and 201,469.76

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Solution

The fourth proportional to 622,194.56, 933,439.44 and 201,469.76 is: 302,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,194.56 : 933,439.44 = 201,469.76 : x
  2. Step 2: Convert to fraction form
    622,194.56/933,439.44 = 201,469.76/x
  3. Step 3: Cross multiply
    622,194.56x = 933,439.44 × 201,469.76
  4. Step 4: Simplify right side
    622,194.56x = 188,059,819,951.33
  5. Step 5: Solve for x
    x = 188,059,819,951.33/622,194.56
  6. Step 6: Final answer
    x = 302,252.43

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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.