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Finding the Fourth Proportional to 327,940.83, 490,800.15 and 201,661.07

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Solution

The fourth proportional to 327,940.83, 490,800.15 and 201,661.07 is: 301,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,940.83 : 490,800.15 = 201,661.07 : x
  2. Step 2: Convert to fraction form
    327,940.83/490,800.15 = 201,661.07/x
  3. Step 3: Cross multiply
    327,940.83x = 490,800.15 × 201,661.07
  4. Step 4: Simplify right side
    327,940.83x = 98,975,280,951.16
  5. Step 5: Solve for x
    x = 98,975,280,951.16/327,940.83
  6. Step 6: Final answer
    x = 301,808.35

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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.