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Finding the Fourth Proportional to 298,033.20, 447,049.80 and 295,959.60

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Solution

The fourth proportional to 298,033.20, 447,049.80 and 295,959.60 is: 443,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,033.20 : 447,049.80 = 295,959.60 : x
  2. Step 2: Convert to fraction form
    298,033.20/447,049.80 = 295,959.60/x
  3. Step 3: Cross multiply
    298,033.20x = 447,049.80 × 295,959.60
  4. Step 4: Simplify right side
    298,033.20x = 132,308,679,988.08
  5. Step 5: Solve for x
    x = 132,308,679,988.08/298,033.20
  6. Step 6: Final answer
    x = 443,939.40

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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.