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Finding the Fourth Proportional to 339,448.92, 468,439.69 and 186,496.97

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Solution

The fourth proportional to 339,448.92, 468,439.69 and 186,496.97 is: 257,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,448.92 : 468,439.69 = 186,496.97 : x
  2. Step 2: Convert to fraction form
    339,448.92/468,439.69 = 186,496.97/x
  3. Step 3: Cross multiply
    339,448.92x = 468,439.69 × 186,496.97
  4. Step 4: Simplify right side
    339,448.92x = 87,362,582,812.74
  5. Step 5: Solve for x
    x = 87,362,582,812.74/339,448.92
  6. Step 6: Final answer
    x = 257,365.92

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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.