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Finding the Fourth Proportional to 324,080.40, 486,120.60 and 244,246.80

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Solution

The fourth proportional to 324,080.40, 486,120.60 and 244,246.80 is: 366,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,080.40 : 486,120.60 = 244,246.80 : x
  2. Step 2: Convert to fraction form
    324,080.40/486,120.60 = 244,246.80/x
  3. Step 3: Cross multiply
    324,080.40x = 486,120.60 × 244,246.80
  4. Step 4: Simplify right side
    324,080.40x = 118,733,400,964.08
  5. Step 5: Solve for x
    x = 118,733,400,964.08/324,080.40
  6. Step 6: Final answer
    x = 366,370.20

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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.