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Finding the Fourth Proportional to 548,698.40, 823,126.46 and 169,648.70

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Solution

The fourth proportional to 548,698.40, 823,126.46 and 169,648.70 is: 254,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,698.40 : 823,126.46 = 169,648.70 : x
  2. Step 2: Convert to fraction form
    548,698.40/823,126.46 = 169,648.70/x
  3. Step 3: Cross multiply
    548,698.40x = 823,126.46 × 169,648.70
  4. Step 4: Simplify right side
    548,698.40x = 139,642,328,910.73
  5. Step 5: Solve for x
    x = 139,642,328,910.73/548,698.40
  6. Step 6: Final answer
    x = 254,497.43

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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.