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Finding the Fourth Proportional to 339,067.66, 467,919.30 and 186,120.16

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Solution

The fourth proportional to 339,067.66, 467,919.30 and 186,120.16 is: 256,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,067.66 : 467,919.30 = 186,120.16 : x
  2. Step 2: Convert to fraction form
    339,067.66/467,919.30 = 186,120.16/x
  3. Step 3: Cross multiply
    339,067.66x = 467,919.30 × 186,120.16
  4. Step 4: Simplify right side
    339,067.66x = 87,089,214,983.09
  5. Step 5: Solve for x
    x = 87,089,214,983.09/339,067.66
  6. Step 6: Final answer
    x = 256,849.08

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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.