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Finding the Fourth Proportional to 548,331.11, 822,144.30 and 228,703.49

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Solution

The fourth proportional to 548,331.11, 822,144.30 and 228,703.49 is: 342,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,331.11 : 822,144.30 = 228,703.49 : x
  2. Step 2: Convert to fraction form
    548,331.11/822,144.30 = 228,703.49/x
  3. Step 3: Cross multiply
    548,331.11x = 822,144.30 × 228,703.49
  4. Step 4: Simplify right side
    548,331.11x = 188,027,270,693.61
  5. Step 5: Solve for x
    x = 188,027,270,693.61/548,331.11
  6. Step 6: Final answer
    x = 342,908.27

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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.