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Finding the Fourth Proportional to 298,034.20, 447,051.30 and 295,960.60

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Solution

The fourth proportional to 298,034.20, 447,051.30 and 295,960.60 is: 443,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,034.20 : 447,051.30 = 295,960.60 : x
  2. Step 2: Convert to fraction form
    298,034.20/447,051.30 = 295,960.60/x
  3. Step 3: Cross multiply
    298,034.20x = 447,051.30 × 295,960.60
  4. Step 4: Simplify right side
    298,034.20x = 132,309,570,978.78
  5. Step 5: Solve for x
    x = 132,309,570,978.78/298,034.20
  6. Step 6: Final answer
    x = 443,940.90

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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.