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Finding the Fourth Proportional to 378,959.88, 567,946.22 and 154,057.62

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Solution

The fourth proportional to 378,959.88, 567,946.22 and 154,057.62 is: 230,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,959.88 : 567,946.22 = 154,057.62 : x
  2. Step 2: Convert to fraction form
    378,959.88/567,946.22 = 154,057.62/x
  3. Step 3: Cross multiply
    378,959.88x = 567,946.22 × 154,057.62
  4. Step 4: Simplify right side
    378,959.88x = 87,496,442,170.91
  5. Step 5: Solve for x
    x = 87,496,442,170.91/378,959.88
  6. Step 6: Final answer
    x = 230,885.77

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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.