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Finding the Fourth Proportional to 266,999.64, 400,591.73 and 167,040.76

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Solution

The fourth proportional to 266,999.64, 400,591.73 and 167,040.76 is: 250,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,999.64 : 400,591.73 = 167,040.76 : x
  2. Step 2: Convert to fraction form
    266,999.64/400,591.73 = 167,040.76/x
  3. Step 3: Cross multiply
    266,999.64x = 400,591.73 × 167,040.76
  4. Step 4: Simplify right side
    266,999.64x = 66,915,147,028.91
  5. Step 5: Solve for x
    x = 66,915,147,028.91/266,999.64
  6. Step 6: Final answer
    x = 250,618.87

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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.