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Finding the Fourth Proportional to 298,313.40, 447,714.90 and 295,980.60

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Solution

The fourth proportional to 298,313.40, 447,714.90 and 295,980.60 is: 444,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,313.40 : 447,714.90 = 295,980.60 : x
  2. Step 2: Convert to fraction form
    298,313.40/447,714.90 = 295,980.60/x
  3. Step 3: Cross multiply
    298,313.40x = 447,714.90 × 295,980.60
  4. Step 4: Simplify right side
    298,313.40x = 132,514,924,730.94
  5. Step 5: Solve for x
    x = 132,514,924,730.94/298,313.40
  6. Step 6: Final answer
    x = 444,213.79

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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.