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Finding the Fourth Proportional to 565,866.91, 847,660.69 and 261,832.60

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Solution

The fourth proportional to 565,866.91, 847,660.69 and 261,832.60 is: 392,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,866.91 : 847,660.69 = 261,832.60 : x
  2. Step 2: Convert to fraction form
    565,866.91/847,660.69 = 261,832.60/x
  3. Step 3: Cross multiply
    565,866.91x = 847,660.69 × 261,832.60
  4. Step 4: Simplify right side
    565,866.91x = 221,945,202,380.49
  5. Step 5: Solve for x
    x = 221,945,202,380.49/565,866.91
  6. Step 6: Final answer
    x = 392,221.56

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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.