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Finding the Fourth Proportional to 339,160.89, 468,043.83 and 211,910.28

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Solution

The fourth proportional to 339,160.89, 468,043.83 and 211,910.28 is: 292,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,160.89 : 468,043.83 = 211,910.28 : x
  2. Step 2: Convert to fraction form
    339,160.89/468,043.83 = 211,910.28/x
  3. Step 3: Cross multiply
    339,160.89x = 468,043.83 × 211,910.28
  4. Step 4: Simplify right side
    339,160.89x = 99,183,299,067.57
  5. Step 5: Solve for x
    x = 99,183,299,067.57/339,160.89
  6. Step 6: Final answer
    x = 292,437.31

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1.5x scale

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.