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Finding the Fourth Proportional to 436,589,404.80, 655,202,971.80 and 307,449,241.80

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Solution

The fourth proportional to 436,589,404.80, 655,202,971.80 and 307,449,241.80 is: 461,398,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,589,404.80 : 655,202,971.80 = 307,449,241.80 : x
  2. Step 2: Convert to fraction form
    436,589,404.80/655,202,971.80 = 307,449,241.80/x
  3. Step 3: Cross multiply
    436,589,404.80x = 655,202,971.80 × 307,449,241.80
  4. Step 4: Simplify right side
    436,589,404.80x = 201,441,656,905,016,768
  5. Step 5: Solve for x
    x = 201,441,656,905,016,768/436,589,404.80
  6. Step 6: Final answer
    x = 461,398,409.33

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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.