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Finding the Fourth Proportional to 650,478.62, 975,687.84 and 170,694.56

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Solution

The fourth proportional to 650,478.62, 975,687.84 and 170,694.56 is: 256,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,478.62 : 975,687.84 = 170,694.56 : x
  2. Step 2: Convert to fraction form
    650,478.62/975,687.84 = 170,694.56/x
  3. Step 3: Cross multiply
    650,478.62x = 975,687.84 × 170,694.56
  4. Step 4: Simplify right side
    650,478.62x = 166,544,606,546.15
  5. Step 5: Solve for x
    x = 166,544,606,546.15/650,478.62
  6. Step 6: Final answer
    x = 256,033.94

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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.