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Finding the Fourth Proportional to 574,698.92, 862,245.31 and 219,814.43

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Solution

The fourth proportional to 574,698.92, 862,245.31 and 219,814.43 is: 329,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,698.92 : 862,245.31 = 219,814.43 : x
  2. Step 2: Convert to fraction form
    574,698.92/862,245.31 = 219,814.43/x
  3. Step 3: Cross multiply
    574,698.92x = 862,245.31 × 219,814.43
  4. Step 4: Simplify right side
    574,698.92x = 189,533,961,337.82
  5. Step 5: Solve for x
    x = 189,533,961,337.82/574,698.92
  6. Step 6: Final answer
    x = 329,796.97

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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.