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Finding the Fourth Proportional to 548,994.31, 823,398.03 and 149,541.64

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Solution

The fourth proportional to 548,994.31, 823,398.03 and 149,541.64 is: 224,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,994.31 : 823,398.03 = 149,541.64 : x
  2. Step 2: Convert to fraction form
    548,994.31/823,398.03 = 149,541.64/x
  3. Step 3: Cross multiply
    548,994.31x = 823,398.03 × 149,541.64
  4. Step 4: Simplify right side
    548,994.31x = 123,132,291,778.97
  5. Step 5: Solve for x
    x = 123,132,291,778.97/548,994.31
  6. Step 6: Final answer
    x = 224,287.01

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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.