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Finding the Fourth Proportional to 297,448.44, 410,326.80 and 189,905.48

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Solution

The fourth proportional to 297,448.44, 410,326.80 and 189,905.48 is: 261,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,448.44 : 410,326.80 = 189,905.48 : x
  2. Step 2: Convert to fraction form
    297,448.44/410,326.80 = 189,905.48/x
  3. Step 3: Cross multiply
    297,448.44x = 410,326.80 × 189,905.48
  4. Step 4: Simplify right side
    297,448.44x = 77,923,307,910.86
  5. Step 5: Solve for x
    x = 77,923,307,910.86/297,448.44
  6. Step 6: Final answer
    x = 261,972.49

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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.