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Finding the Fourth Proportional to 376,743.68, 519,924.34 and 231,555.80

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Solution

The fourth proportional to 376,743.68, 519,924.34 and 231,555.80 is: 319,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,743.68 : 519,924.34 = 231,555.80 : x
  2. Step 2: Convert to fraction form
    376,743.68/519,924.34 = 231,555.80/x
  3. Step 3: Cross multiply
    376,743.68x = 519,924.34 × 231,555.80
  4. Step 4: Simplify right side
    376,743.68x = 120,391,493,850.35
  5. Step 5: Solve for x
    x = 120,391,493,850.35/376,743.68
  6. Step 6: Final answer
    x = 319,558.10

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