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Finding the Fourth Proportional to 269,794.40, 404,691.60 and 190,997.60

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Solution

The fourth proportional to 269,794.40, 404,691.60 and 190,997.60 is: 286,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,794.40 : 404,691.60 = 190,997.60 : x
  2. Step 2: Convert to fraction form
    269,794.40/404,691.60 = 190,997.60/x
  3. Step 3: Cross multiply
    269,794.40x = 404,691.60 × 190,997.60
  4. Step 4: Simplify right side
    269,794.40x = 77,295,124,340.16
  5. Step 5: Solve for x
    x = 77,295,124,340.16/269,794.40
  6. Step 6: Final answer
    x = 286,496.40

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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.