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Finding the Fourth Proportional to 571,704.68, 789,129.11 and 367,755.59

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Solution

The fourth proportional to 571,704.68, 789,129.11 and 367,755.59 is: 507,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,704.68 : 789,129.11 = 367,755.59 : x
  2. Step 2: Convert to fraction form
    571,704.68/789,129.11 = 367,755.59/x
  3. Step 3: Cross multiply
    571,704.68x = 789,129.11 × 367,755.59
  4. Step 4: Simplify right side
    571,704.68x = 290,206,644,326.44
  5. Step 5: Solve for x
    x = 290,206,644,326.44/571,704.68
  6. Step 6: Final answer
    x = 507,616.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.