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Finding the Fourth Proportional to 267,174.78, 400,805.73 and 126,886.02

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Solution

The fourth proportional to 267,174.78, 400,805.73 and 126,886.02 is: 190,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,174.78 : 400,805.73 = 126,886.02 : x
  2. Step 2: Convert to fraction form
    267,174.78/400,805.73 = 126,886.02/x
  3. Step 3: Cross multiply
    267,174.78x = 400,805.73 × 126,886.02
  4. Step 4: Simplify right side
    267,174.78x = 50,856,643,872.89
  5. Step 5: Solve for x
    x = 50,856,643,872.89/267,174.78
  6. Step 6: Final answer
    x = 190,349.72

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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.