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Finding the Fourth Proportional to 483,801.54, 667,616.85 and 268,934.10

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Solution

The fourth proportional to 483,801.54, 667,616.85 and 268,934.10 is: 371,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,801.54 : 667,616.85 = 268,934.10 : x
  2. Step 2: Convert to fraction form
    483,801.54/667,616.85 = 268,934.10/x
  3. Step 3: Cross multiply
    483,801.54x = 667,616.85 × 268,934.10
  4. Step 4: Simplify right side
    483,801.54x = 179,544,936,699.59
  5. Step 5: Solve for x
    x = 179,544,936,699.59/483,801.54
  6. Step 6: Final answer
    x = 371,112.78

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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.