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Finding the Fourth Proportional to 339,015.86, 467,932.65 and 211,614.74

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Solution

The fourth proportional to 339,015.86, 467,932.65 and 211,614.74 is: 292,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,015.86 : 467,932.65 = 211,614.74 : x
  2. Step 2: Convert to fraction form
    339,015.86/467,932.65 = 211,614.74/x
  3. Step 3: Cross multiply
    339,015.86x = 467,932.65 × 211,614.74
  4. Step 4: Simplify right side
    339,015.86x = 99,021,446,067.26
  5. Step 5: Solve for x
    x = 99,021,446,067.26/339,015.86
  6. Step 6: Final answer
    x = 292,085.00

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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.