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Finding the Fourth Proportional to 400,181.53, 600,273.07 and 100,660.09

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Solution

The fourth proportional to 400,181.53, 600,273.07 and 100,660.09 is: 150,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,181.53 : 600,273.07 = 100,660.09 : x
  2. Step 2: Convert to fraction form
    400,181.53/600,273.07 = 100,660.09/x
  3. Step 3: Cross multiply
    400,181.53x = 600,273.07 × 100,660.09
  4. Step 4: Simplify right side
    400,181.53x = 60,423,542,170.67
  5. Step 5: Solve for x
    x = 60,423,542,170.67/400,181.53
  6. Step 6: Final answer
    x = 150,990.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.