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Finding the Fourth Proportional to 701,184.54, 967,634.58 and 378,894.64

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Solution

The fourth proportional to 701,184.54, 967,634.58 and 378,894.64 is: 522,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,184.54 : 967,634.58 = 378,894.64 : x
  2. Step 2: Convert to fraction form
    701,184.54/967,634.58 = 378,894.64/x
  3. Step 3: Cross multiply
    701,184.54x = 967,634.58 × 378,894.64
  4. Step 4: Simplify right side
    701,184.54x = 366,631,555,840.65
  5. Step 5: Solve for x
    x = 366,631,555,840.65/701,184.54
  6. Step 6: Final answer
    x = 522,874.56

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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.