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Finding the Fourth Proportional to 327,280.72, 451,650.12 and 184,039.56

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Solution

The fourth proportional to 327,280.72, 451,650.12 and 184,039.56 is: 253,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,280.72 : 451,650.12 = 184,039.56 : x
  2. Step 2: Convert to fraction form
    327,280.72/451,650.12 = 184,039.56/x
  3. Step 3: Cross multiply
    327,280.72x = 451,650.12 × 184,039.56
  4. Step 4: Simplify right side
    327,280.72x = 83,121,489,358.75
  5. Step 5: Solve for x
    x = 83,121,489,358.75/327,280.72
  6. Step 6: Final answer
    x = 253,976.13

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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.