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Finding the Fourth Proportional to 548,649.63, 822,891.27 and 149,321.52

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Solution

The fourth proportional to 548,649.63, 822,891.27 and 149,321.52 is: 223,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,649.63 : 822,891.27 = 149,321.52 : x
  2. Step 2: Convert to fraction form
    548,649.63/822,891.27 = 149,321.52/x
  3. Step 3: Cross multiply
    548,649.63x = 822,891.27 × 149,321.52
  4. Step 4: Simplify right side
    548,649.63x = 122,875,375,231.13
  5. Step 5: Solve for x
    x = 122,875,375,231.13/548,649.63
  6. Step 6: Final answer
    x = 223,959.64

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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.