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Finding the Fourth Proportional to 606,940.20, 911,447.10 and 327,004.20

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Solution

The fourth proportional to 606,940.20, 911,447.10 and 327,004.20 is: 491,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,940.20 : 911,447.10 = 327,004.20 : x
  2. Step 2: Convert to fraction form
    606,940.20/911,447.10 = 327,004.20/x
  3. Step 3: Cross multiply
    606,940.20x = 911,447.10 × 327,004.20
  4. Step 4: Simplify right side
    606,940.20x = 298,047,029,777.82
  5. Step 5: Solve for x
    x = 298,047,029,777.82/606,940.20
  6. Step 6: Final answer
    x = 491,064.90

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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.