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Finding the Fourth Proportional to 269,501.80, 404,511.90 and 136,532.20

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Solution

The fourth proportional to 269,501.80, 404,511.90 and 136,532.20 is: 204,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,501.80 : 404,511.90 = 136,532.20 : x
  2. Step 2: Convert to fraction form
    269,501.80/404,511.90 = 136,532.20/x
  3. Step 3: Cross multiply
    269,501.80x = 404,511.90 × 136,532.20
  4. Step 4: Simplify right side
    269,501.80x = 55,228,899,633.18
  5. Step 5: Solve for x
    x = 55,228,899,633.18/269,501.80
  6. Step 6: Final answer
    x = 204,929.61

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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.