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Finding the Fourth Proportional to 269,578.60, 404,700.70 and 169,738.60

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Solution

The fourth proportional to 269,578.60, 404,700.70 and 169,738.60 is: 254,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,578.60 : 404,700.70 = 169,738.60 : x
  2. Step 2: Convert to fraction form
    269,578.60/404,700.70 = 169,738.60/x
  3. Step 3: Cross multiply
    269,578.60x = 404,700.70 × 169,738.60
  4. Step 4: Simplify right side
    269,578.60x = 68,693,330,237.02
  5. Step 5: Solve for x
    x = 68,693,330,237.02/269,578.60
  6. Step 6: Final answer
    x = 254,817.45

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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.