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Finding the Fourth Proportional to 266,280.72, 367,469.88 and 151,553.73

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Solution

The fourth proportional to 266,280.72, 367,469.88 and 151,553.73 is: 209,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,280.72 : 367,469.88 = 151,553.73 : x
  2. Step 2: Convert to fraction form
    266,280.72/367,469.88 = 151,553.73/x
  3. Step 3: Cross multiply
    266,280.72x = 367,469.88 × 151,553.73
  4. Step 4: Simplify right side
    266,280.72x = 55,691,430,976.65
  5. Step 5: Solve for x
    x = 55,691,430,976.65/266,280.72
  6. Step 6: Final answer
    x = 209,145.56

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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.