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Finding the Fourth Proportional to 376,607.88, 519,716.52 and 225,704.88

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Solution

The fourth proportional to 376,607.88, 519,716.52 and 225,704.88 is: 311,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,607.88 : 519,716.52 = 225,704.88 : x
  2. Step 2: Convert to fraction form
    376,607.88/519,716.52 = 225,704.88/x
  3. Step 3: Cross multiply
    376,607.88x = 519,716.52 × 225,704.88
  4. Step 4: Simplify right side
    376,607.88x = 117,302,554,780.62
  5. Step 5: Solve for x
    x = 117,302,554,780.62/376,607.88
  6. Step 6: Final answer
    x = 311,471.32

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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.