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Finding the Fourth Proportional to 298,980.51, 412,257.91 and 244,363.18

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Solution

The fourth proportional to 298,980.51, 412,257.91 and 244,363.18 is: 336,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980.51 : 412,257.91 = 244,363.18 : x
  2. Step 2: Convert to fraction form
    298,980.51/412,257.91 = 244,363.18/x
  3. Step 3: Cross multiply
    298,980.51x = 412,257.91 × 244,363.18
  4. Step 4: Simplify right side
    298,980.51x = 100,740,653,867.75
  5. Step 5: Solve for x
    x = 100,740,653,867.75/298,980.51
  6. Step 6: Final answer
    x = 336,947.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.