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Finding the Fourth Proportional to 376,379.67, 519,277.26 and 240,493.06

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Solution

The fourth proportional to 376,379.67, 519,277.26 and 240,493.06 is: 331,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,379.67 : 519,277.26 = 240,493.06 : x
  2. Step 2: Convert to fraction form
    376,379.67/519,277.26 = 240,493.06/x
  3. Step 3: Cross multiply
    376,379.67x = 519,277.26 × 240,493.06
  4. Step 4: Simplify right side
    376,379.67x = 124,882,577,245.82
  5. Step 5: Solve for x
    x = 124,882,577,245.82/376,379.67
  6. Step 6: Final answer
    x = 331,799.48

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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.