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Finding the Fourth Proportional to 313,336.36, 470,080.86 and 100,104.04

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Solution

The fourth proportional to 313,336.36, 470,080.86 and 100,104.04 is: 150,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,336.36 : 470,080.86 = 100,104.04 : x
  2. Step 2: Convert to fraction form
    313,336.36/470,080.86 = 100,104.04/x
  3. Step 3: Cross multiply
    313,336.36x = 470,080.86 × 100,104.04
  4. Step 4: Simplify right side
    313,336.36x = 47,056,993,212.67
  5. Step 5: Solve for x
    x = 47,056,993,212.67/313,336.36
  6. Step 6: Final answer
    x = 150,180.44

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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.