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Finding the Fourth Proportional to 339,401.97, 468,377.79 and 186,443.27

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Solution

The fourth proportional to 339,401.97, 468,377.79 and 186,443.27 is: 257,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,401.97 : 468,377.79 = 186,443.27 : x
  2. Step 2: Convert to fraction form
    339,401.97/468,377.79 = 186,443.27/x
  3. Step 3: Cross multiply
    339,401.97x = 468,377.79 × 186,443.27
  4. Step 4: Simplify right side
    339,401.97x = 87,325,886,527.08
  5. Step 5: Solve for x
    x = 87,325,886,527.08/339,401.97
  6. Step 6: Final answer
    x = 257,293.40

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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.