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Finding the Fourth Proportional to 269,694.20, 404,444.10 and 136,530.20

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Solution

The fourth proportional to 269,694.20, 404,444.10 and 136,530.20 is: 204,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,694.20 : 404,444.10 = 136,530.20 : x
  2. Step 2: Convert to fraction form
    269,694.20/404,444.10 = 136,530.20/x
  3. Step 3: Cross multiply
    269,694.20x = 404,444.10 × 136,530.20
  4. Step 4: Simplify right side
    269,694.20x = 55,218,833,861.82
  5. Step 5: Solve for x
    x = 55,218,833,861.82/269,694.20
  6. Step 6: Final answer
    x = 204,746.09

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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.