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Finding the Fourth Proportional to 548,334.62, 822,149.54 and 228,707

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Solution

The fourth proportional to 548,334.62, 822,149.54 and 228,707 is: 342,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,334.62 : 822,149.54 = 228,707 : x
  2. Step 2: Convert to fraction form
    548,334.62/822,149.54 = 228,707/x
  3. Step 3: Cross multiply
    548,334.62x = 822,149.54 × 228,707
  4. Step 4: Simplify right side
    548,334.62x = 188,031,354,844.78
  5. Step 5: Solve for x
    x = 188,031,354,844.78/548,334.62
  6. Step 6: Final answer
    x = 342,913.52

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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.