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Finding the Fourth Proportional to 483,857.07, 667,684.94 and 268,984.05

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Solution

The fourth proportional to 483,857.07, 667,684.94 and 268,984.05 is: 371,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,857.07 : 667,684.94 = 268,984.05 : x
  2. Step 2: Convert to fraction form
    483,857.07/667,684.94 = 268,984.05/x
  3. Step 3: Cross multiply
    483,857.07x = 667,684.94 × 268,984.05
  4. Step 4: Simplify right side
    483,857.07x = 179,596,597,940.29
  5. Step 5: Solve for x
    x = 179,596,597,940.29/483,857.07
  6. Step 6: Final answer
    x = 371,176.96

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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.