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Finding the Fourth Proportional to 269,696.40, 404,544.60 and 169,969.20

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Solution

The fourth proportional to 269,696.40, 404,544.60 and 169,969.20 is: 254,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,696.40 : 404,544.60 = 169,969.20 : x
  2. Step 2: Convert to fraction form
    269,696.40/404,544.60 = 169,969.20/x
  3. Step 3: Cross multiply
    269,696.40x = 404,544.60 × 169,969.20
  4. Step 4: Simplify right side
    269,696.40x = 68,760,122,026.32
  5. Step 5: Solve for x
    x = 68,760,122,026.32/269,696.40
  6. Step 6: Final answer
    x = 254,953.80

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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.