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Finding the Fourth Proportional to 256,469.80, 384,704.70 and 244,222.60

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Solution

The fourth proportional to 256,469.80, 384,704.70 and 244,222.60 is: 366,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,469.80 : 384,704.70 = 244,222.60 : x
  2. Step 2: Convert to fraction form
    256,469.80/384,704.70 = 244,222.60/x
  3. Step 3: Cross multiply
    256,469.80x = 384,704.70 × 244,222.60
  4. Step 4: Simplify right side
    256,469.80x = 93,953,582,066.22
  5. Step 5: Solve for x
    x = 93,953,582,066.22/256,469.80
  6. Step 6: Final answer
    x = 366,333.90

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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.