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Finding the Fourth Proportional to 296,620.18, 444,995.88 and 163,431.88

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Solution

The fourth proportional to 296,620.18, 444,995.88 and 163,431.88 is: 245,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,620.18 : 444,995.88 = 163,431.88 : x
  2. Step 2: Convert to fraction form
    296,620.18/444,995.88 = 163,431.88/x
  3. Step 3: Cross multiply
    296,620.18x = 444,995.88 × 163,431.88
  4. Step 4: Simplify right side
    296,620.18x = 72,726,513,260.65
  5. Step 5: Solve for x
    x = 72,726,513,260.65/296,620.18
  6. Step 6: Final answer
    x = 245,183.97

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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.