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Finding the Fourth Proportional to 256,469.60, 384,704.40 and 244,222.40

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Solution

The fourth proportional to 256,469.60, 384,704.40 and 244,222.40 is: 366,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,469.60 : 384,704.40 = 244,222.40 : x
  2. Step 2: Convert to fraction form
    256,469.60/384,704.40 = 244,222.40/x
  3. Step 3: Cross multiply
    256,469.60x = 384,704.40 × 244,222.40
  4. Step 4: Simplify right side
    256,469.60x = 93,953,431,858.56
  5. Step 5: Solve for x
    x = 93,953,431,858.56/256,469.60
  6. Step 6: Final answer
    x = 366,333.60

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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.