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Finding the Fourth Proportional to 548,044.43, 816,287.66 and 523,454.90

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Solution

The fourth proportional to 548,044.43, 816,287.66 and 523,454.90 is: 779,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,044.43 : 816,287.66 = 523,454.90 : x
  2. Step 2: Convert to fraction form
    548,044.43/816,287.66 = 523,454.90/x
  3. Step 3: Cross multiply
    548,044.43x = 816,287.66 × 523,454.90
  4. Step 4: Simplify right side
    548,044.43x = 427,289,774,859.98
  5. Step 5: Solve for x
    x = 427,289,774,859.98/548,044.43
  6. Step 6: Final answer
    x = 779,662.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.