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Finding the Fourth Proportional to 339,463.92, 468,467.64 and 196,230

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Solution

The fourth proportional to 339,463.92, 468,467.64 and 196,230 is: 270,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,463.92 : 468,467.64 = 196,230 : x
  2. Step 2: Convert to fraction form
    339,463.92/468,467.64 = 196,230/x
  3. Step 3: Cross multiply
    339,463.92x = 468,467.64 × 196,230
  4. Step 4: Simplify right side
    339,463.92x = 91,927,404,997.20
  5. Step 5: Solve for x
    x = 91,927,404,997.20/339,463.92
  6. Step 6: Final answer
    x = 270,801.70

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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.