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Finding the Fourth Proportional to 483,481.42, 667,199.55 and 268,616.87

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Solution

The fourth proportional to 483,481.42, 667,199.55 and 268,616.87 is: 370,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,481.42 : 667,199.55 = 268,616.87 : x
  2. Step 2: Convert to fraction form
    483,481.42/667,199.55 = 268,616.87/x
  3. Step 3: Cross multiply
    483,481.42x = 667,199.55 × 268,616.87
  4. Step 4: Simplify right side
    483,481.42x = 179,221,056,454.41
  5. Step 5: Solve for x
    x = 179,221,056,454.41/483,481.42
  6. Step 6: Final answer
    x = 370,688.61

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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.