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Finding the Fourth Proportional to 269,719.20, 404,141.40 and 169,700.40

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Solution

The fourth proportional to 269,719.20, 404,141.40 and 169,700.40 is: 254,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,719.20 : 404,141.40 = 169,700.40 : x
  2. Step 2: Convert to fraction form
    269,719.20/404,141.40 = 169,700.40/x
  3. Step 3: Cross multiply
    269,719.20x = 404,141.40 × 169,700.40
  4. Step 4: Simplify right side
    269,719.20x = 68,582,957,236.56
  5. Step 5: Solve for x
    x = 68,582,957,236.56/269,719.20
  6. Step 6: Final answer
    x = 254,275.40

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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.