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Finding the Fourth Proportional to 378,950.58, 567,932.22 and 154,048.31

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Solution

The fourth proportional to 378,950.58, 567,932.22 and 154,048.31 is: 230,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,950.58 : 567,932.22 = 154,048.31 : x
  2. Step 2: Convert to fraction form
    378,950.58/567,932.22 = 154,048.31/x
  3. Step 3: Cross multiply
    378,950.58x = 567,932.22 × 154,048.31
  4. Step 4: Simplify right side
    378,950.58x = 87,488,995,845.89
  5. Step 5: Solve for x
    x = 87,488,995,845.89/378,950.58
  6. Step 6: Final answer
    x = 230,871.78

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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.