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Finding the Fourth Proportional to 264,054.24, 395,620.56 and 219,964.32

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Solution

The fourth proportional to 264,054.24, 395,620.56 and 219,964.32 is: 329,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,054.24 : 395,620.56 = 219,964.32 : x
  2. Step 2: Convert to fraction form
    264,054.24/395,620.56 = 219,964.32/x
  3. Step 3: Cross multiply
    264,054.24x = 395,620.56 × 219,964.32
  4. Step 4: Simplify right side
    264,054.24x = 87,022,407,458.42
  5. Step 5: Solve for x
    x = 87,022,407,458.42/264,054.24
  6. Step 6: Final answer
    x = 329,562.62

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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.