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Finding the Fourth Proportional to 533,629.87, 800,551.87 and 196,672.17

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Solution

The fourth proportional to 533,629.87, 800,551.87 and 196,672.17 is: 295,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,629.87 : 800,551.87 = 196,672.17 : x
  2. Step 2: Convert to fraction form
    533,629.87/800,551.87 = 196,672.17/x
  3. Step 3: Cross multiply
    533,629.87x = 800,551.87 × 196,672.17
  4. Step 4: Simplify right side
    533,629.87x = 157,446,273,470.46
  5. Step 5: Solve for x
    x = 157,446,273,470.46/533,629.87
  6. Step 6: Final answer
    x = 295,047.72

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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.