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Finding the Fourth Proportional to 327,506.36, 491,259.46 and 90,849.04

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Solution

The fourth proportional to 327,506.36, 491,259.46 and 90,849.04 is: 136,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,506.36 : 491,259.46 = 90,849.04 : x
  2. Step 2: Convert to fraction form
    327,506.36/491,259.46 = 90,849.04/x
  3. Step 3: Cross multiply
    327,506.36x = 491,259.46 × 90,849.04
  4. Step 4: Simplify right side
    327,506.36x = 44,630,450,331.92
  5. Step 5: Solve for x
    x = 44,630,450,331.92/327,506.36
  6. Step 6: Final answer
    x = 136,273.54

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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.