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Finding the Fourth Proportional to 269,443,811.20, 404,165,716.80 and 183,350,369.20

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Solution

The fourth proportional to 269,443,811.20, 404,165,716.80 and 183,350,369.20 is: 275,025,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,443,811.20 : 404,165,716.80 = 183,350,369.20 : x
  2. Step 2: Convert to fraction form
    269,443,811.20/404,165,716.80 = 183,350,369.20/x
  3. Step 3: Cross multiply
    269,443,811.20x = 404,165,716.80 × 183,350,369.20
  4. Step 4: Simplify right side
    269,443,811.20x = 74,103,933,393,262,640
  5. Step 5: Solve for x
    x = 74,103,933,393,262,640/269,443,811.20
  6. Step 6: Final answer
    x = 275,025,553.80

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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.