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Finding the Fourth Proportional to 267,422.70, 368,830.72 and 227,269.38

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Solution

The fourth proportional to 267,422.70, 368,830.72 and 227,269.38 is: 313,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,422.70 : 368,830.72 = 227,269.38 : x
  2. Step 2: Convert to fraction form
    267,422.70/368,830.72 = 227,269.38/x
  3. Step 3: Cross multiply
    267,422.70x = 368,830.72 × 227,269.38
  4. Step 4: Simplify right side
    267,422.70x = 83,823,929,059.35
  5. Step 5: Solve for x
    x = 83,823,929,059.35/267,422.70
  6. Step 6: Final answer
    x = 313,451.06

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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.