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Finding the Fourth Proportional to 400,183.04, 600,275.31 and 100,661.60

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Solution

The fourth proportional to 400,183.04, 600,275.31 and 100,661.60 is: 150,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,183.04 : 600,275.31 = 100,661.60 : x
  2. Step 2: Convert to fraction form
    400,183.04/600,275.31 = 100,661.60/x
  3. Step 3: Cross multiply
    400,183.04x = 600,275.31 × 100,661.60
  4. Step 4: Simplify right side
    400,183.04x = 60,424,670,143.72
  5. Step 5: Solve for x
    x = 60,424,670,143.72/400,183.04
  6. Step 6: Final answer
    x = 150,992.58

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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.