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Finding the Fourth Proportional to 269,504,879.20, 404,257,318.80 and 249,097,544.80

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Solution

The fourth proportional to 269,504,879.20, 404,257,318.80 and 249,097,544.80 is: 373,646,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,504,879.20 : 404,257,318.80 = 249,097,544.80 : x
  2. Step 2: Convert to fraction form
    269,504,879.20/404,257,318.80 = 249,097,544.80/x
  3. Step 3: Cross multiply
    269,504,879.20x = 404,257,318.80 × 249,097,544.80
  4. Step 4: Simplify right side
    269,504,879.20x = 100,699,505,580,510,896
  5. Step 5: Solve for x
    x = 100,699,505,580,510,896/269,504,879.20
  6. Step 6: Final answer
    x = 373,646,317.20

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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.