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Finding the Fourth Proportional to 339,015.81, 467,810.85 and 201,170.97

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Solution

The fourth proportional to 339,015.81, 467,810.85 and 201,170.97 is: 277,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,015.81 : 467,810.85 = 201,170.97 : x
  2. Step 2: Convert to fraction form
    339,015.81/467,810.85 = 201,170.97/x
  3. Step 3: Cross multiply
    339,015.81x = 467,810.85 × 201,170.97
  4. Step 4: Simplify right side
    339,015.81x = 94,109,962,471.02
  5. Step 5: Solve for x
    x = 94,109,962,471.02/339,015.81
  6. Step 6: Final answer
    x = 277,597.56

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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.