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Finding the Fourth Proportional to 481,908.11, 722,856.94 and 197,535.26

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Solution

The fourth proportional to 481,908.11, 722,856.94 and 197,535.26 is: 296,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,908.11 : 722,856.94 = 197,535.26 : x
  2. Step 2: Convert to fraction form
    481,908.11/722,856.94 = 197,535.26/x
  3. Step 3: Cross multiply
    481,908.11x = 722,856.94 × 197,535.26
  4. Step 4: Simplify right side
    481,908.11x = 142,789,733,585.70
  5. Step 5: Solve for x
    x = 142,789,733,585.70/481,908.11
  6. Step 6: Final answer
    x = 296,300.75

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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.