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Finding the Fourth Proportional to 548,759.04, 823,170.56 and 211,801.44

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Solution

The fourth proportional to 548,759.04, 823,170.56 and 211,801.44 is: 317,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,759.04 : 823,170.56 = 211,801.44 : x
  2. Step 2: Convert to fraction form
    548,759.04/823,170.56 = 211,801.44/x
  3. Step 3: Cross multiply
    548,759.04x = 823,170.56 × 211,801.44
  4. Step 4: Simplify right side
    548,759.04x = 174,348,709,973.61
  5. Step 5: Solve for x
    x = 174,348,709,973.61/548,759.04
  6. Step 6: Final answer
    x = 317,714.51

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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.