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Finding the Fourth Proportional to 376,575.17, 519,673.14 and 206,809.29

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Solution

The fourth proportional to 376,575.17, 519,673.14 and 206,809.29 is: 285,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,575.17 : 519,673.14 = 206,809.29 : x
  2. Step 2: Convert to fraction form
    376,575.17/519,673.14 = 206,809.29/x
  3. Step 3: Cross multiply
    376,575.17x = 519,673.14 × 206,809.29
  4. Step 4: Simplify right side
    376,575.17x = 107,473,233,115.47
  5. Step 5: Solve for x
    x = 107,473,233,115.47/376,575.17
  6. Step 6: Final answer
    x = 285,396.50

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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.