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Finding the Fourth Proportional to 227,049.40, 339,990.90 and 180,004.60

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Solution

The fourth proportional to 227,049.40, 339,990.90 and 180,004.60 is: 269,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,049.40 : 339,990.90 = 180,004.60 : x
  2. Step 2: Convert to fraction form
    227,049.40/339,990.90 = 180,004.60/x
  3. Step 3: Cross multiply
    227,049.40x = 339,990.90 × 180,004.60
  4. Step 4: Simplify right side
    227,049.40x = 61,199,925,958.14
  5. Step 5: Solve for x
    x = 61,199,925,958.14/227,049.40
  6. Step 6: Final answer
    x = 269,544.54

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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.