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Finding the Fourth Proportional to 548,418.03, 822,114.41 and 193,233.39

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Solution

The fourth proportional to 548,418.03, 822,114.41 and 193,233.39 is: 289,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,418.03 : 822,114.41 = 193,233.39 : x
  2. Step 2: Convert to fraction form
    548,418.03/822,114.41 = 193,233.39/x
  3. Step 3: Cross multiply
    548,418.03x = 822,114.41 × 193,233.39
  4. Step 4: Simplify right side
    548,418.03x = 158,859,953,445.98
  5. Step 5: Solve for x
    x = 158,859,953,445.98/548,418.03
  6. Step 6: Final answer
    x = 289,669.46

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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.