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Finding the Fourth Proportional to 548,700.40, 823,129.46 and 169,650.70

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Solution

The fourth proportional to 548,700.40, 823,129.46 and 169,650.70 is: 254,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,700.40 : 823,129.46 = 169,650.70 : x
  2. Step 2: Convert to fraction form
    548,700.40/823,129.46 = 169,650.70/x
  3. Step 3: Cross multiply
    548,700.40x = 823,129.46 × 169,650.70
  4. Step 4: Simplify right side
    548,700.40x = 139,644,484,115.72
  5. Step 5: Solve for x
    x = 139,644,484,115.72/548,700.40
  6. Step 6: Final answer
    x = 254,500.43

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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.