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Finding the Fourth Proportional to 327,453.12, 451,880.80 and 184,213.12

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Solution

The fourth proportional to 327,453.12, 451,880.80 and 184,213.12 is: 254,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,453.12 : 451,880.80 = 184,213.12 : x
  2. Step 2: Convert to fraction form
    327,453.12/451,880.80 = 184,213.12/x
  3. Step 3: Cross multiply
    327,453.12x = 451,880.80 × 184,213.12
  4. Step 4: Simplify right side
    327,453.12x = 83,242,372,036.10
  5. Step 5: Solve for x
    x = 83,242,372,036.10/327,453.12
  6. Step 6: Final answer
    x = 254,211.57

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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.