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Finding the Fourth Proportional to 376,823.98, 520,016.97 and 207,069.04

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Solution

The fourth proportional to 376,823.98, 520,016.97 and 207,069.04 is: 285,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,823.98 : 520,016.97 = 207,069.04 : x
  2. Step 2: Convert to fraction form
    376,823.98/520,016.97 = 207,069.04/x
  3. Step 3: Cross multiply
    376,823.98x = 520,016.97 × 207,069.04
  4. Step 4: Simplify right side
    376,823.98x = 107,679,414,761.61
  5. Step 5: Solve for x
    x = 107,679,414,761.61/376,823.98
  6. Step 6: Final answer
    x = 285,755.21

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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.