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Finding the Fourth Proportional to 574,859.57, 862,422.83 and 195,783.58

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Solution

The fourth proportional to 574,859.57, 862,422.83 and 195,783.58 is: 293,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,859.57 : 862,422.83 = 195,783.58 : x
  2. Step 2: Convert to fraction form
    574,859.57/862,422.83 = 195,783.58/x
  3. Step 3: Cross multiply
    574,859.57x = 862,422.83 × 195,783.58
  4. Step 4: Simplify right side
    574,859.57x = 168,848,230,797.73
  5. Step 5: Solve for x
    x = 168,848,230,797.73/574,859.57
  6. Step 6: Final answer
    x = 293,720.83

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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.