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Finding the Fourth Proportional to 227,224.80, 340,448.40 and 144,021.60

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Solution

The fourth proportional to 227,224.80, 340,448.40 and 144,021.60 is: 215,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,224.80 : 340,448.40 = 144,021.60 : x
  2. Step 2: Convert to fraction form
    227,224.80/340,448.40 = 144,021.60/x
  3. Step 3: Cross multiply
    227,224.80x = 340,448.40 × 144,021.60
  4. Step 4: Simplify right side
    227,224.80x = 49,031,923,285.44
  5. Step 5: Solve for x
    x = 49,031,923,285.44/227,224.80
  6. Step 6: Final answer
    x = 215,785.97

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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.