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Finding the Fourth Proportional to 416,550.18, 624,324.60 and 191,600.76

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Solution

The fourth proportional to 416,550.18, 624,324.60 and 191,600.76 is: 287,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,550.18 : 624,324.60 = 191,600.76 : x
  2. Step 2: Convert to fraction form
    416,550.18/624,324.60 = 191,600.76/x
  3. Step 3: Cross multiply
    416,550.18x = 624,324.60 × 191,600.76
  4. Step 4: Simplify right side
    416,550.18x = 119,621,067,846.70
  5. Step 5: Solve for x
    x = 119,621,067,846.70/416,550.18
  6. Step 6: Final answer
    x = 287,170.85

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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.