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Finding the Fourth Proportional to 327,857.99, 491,787.86 and 91,200.69

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Solution

The fourth proportional to 327,857.99, 491,787.86 and 91,200.69 is: 136,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,857.99 : 491,787.86 = 91,200.69 : x
  2. Step 2: Convert to fraction form
    327,857.99/491,787.86 = 91,200.69/x
  3. Step 3: Cross multiply
    327,857.99x = 491,787.86 × 91,200.69
  4. Step 4: Simplify right side
    327,857.99x = 44,851,391,709.62
  5. Step 5: Solve for x
    x = 44,851,391,709.62/327,857.99
  6. Step 6: Final answer
    x = 136,801.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.