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Finding the Fourth Proportional to 548,800.97, 823,201.46 and 361,768.73

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Solution

The fourth proportional to 548,800.97, 823,201.46 and 361,768.73 is: 542,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,800.97 : 823,201.46 = 361,768.73 : x
  2. Step 2: Convert to fraction form
    548,800.97/823,201.46 = 361,768.73/x
  3. Step 3: Cross multiply
    548,800.97x = 823,201.46 × 361,768.73
  4. Step 4: Simplify right side
    548,800.97x = 297,808,544,909.50
  5. Step 5: Solve for x
    x = 297,808,544,909.50/548,800.97
  6. Step 6: Final answer
    x = 542,653.10

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Double scale
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Similar ratio
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1.5x scale

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.