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Finding the Fourth Proportional to 377,788.78, 566,682.49 and 259,100.29

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Solution

The fourth proportional to 377,788.78, 566,682.49 and 259,100.29 is: 388,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,788.78 : 566,682.49 = 259,100.29 : x
  2. Step 2: Convert to fraction form
    377,788.78/566,682.49 = 259,100.29/x
  3. Step 3: Cross multiply
    377,788.78x = 566,682.49 × 259,100.29
  4. Step 4: Simplify right side
    377,788.78x = 146,827,597,496.92
  5. Step 5: Solve for x
    x = 146,827,597,496.92/377,788.78
  6. Step 6: Final answer
    x = 388,649.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.