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Finding the Fourth Proportional to 267,789.74, 369,213.54 and 196,045.20

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Solution

The fourth proportional to 267,789.74, 369,213.54 and 196,045.20 is: 270,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,789.74 : 369,213.54 = 196,045.20 : x
  2. Step 2: Convert to fraction form
    267,789.74/369,213.54 = 196,045.20/x
  3. Step 3: Cross multiply
    267,789.74x = 369,213.54 × 196,045.20
  4. Step 4: Simplify right side
    267,789.74x = 72,382,542,292.01
  5. Step 5: Solve for x
    x = 72,382,542,292.01/267,789.74
  6. Step 6: Final answer
    x = 270,296.18

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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.