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Finding the Fourth Proportional to 701,183.54, 967,633.20 and 378,893.64

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Solution

The fourth proportional to 701,183.54, 967,633.20 and 378,893.64 is: 522,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,183.54 : 967,633.20 = 378,893.64 : x
  2. Step 2: Convert to fraction form
    701,183.54/967,633.20 = 378,893.64/x
  3. Step 3: Cross multiply
    701,183.54x = 967,633.20 × 378,893.64
  4. Step 4: Simplify right side
    701,183.54x = 366,630,065,332.85
  5. Step 5: Solve for x
    x = 366,630,065,332.85/701,183.54
  6. Step 6: Final answer
    x = 522,873.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.