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Finding the Fourth Proportional to 548,651.04, 823,013 and 211,695.88

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Solution

The fourth proportional to 548,651.04, 823,013 and 211,695.88 is: 317,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,651.04 : 823,013 = 211,695.88 : x
  2. Step 2: Convert to fraction form
    548,651.04/823,013 = 211,695.88/x
  3. Step 3: Cross multiply
    548,651.04x = 823,013 × 211,695.88
  4. Step 4: Simplify right side
    548,651.04x = 174,228,461,286.44
  5. Step 5: Solve for x
    x = 174,228,461,286.44/548,651.04
  6. Step 6: Final answer
    x = 317,557.88

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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.