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Finding the Fourth Proportional to 336,884.40, 505,334.70 and 100,234.80

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Solution

The fourth proportional to 336,884.40, 505,334.70 and 100,234.80 is: 150,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,884.40 : 505,334.70 = 100,234.80 : x
  2. Step 2: Convert to fraction form
    336,884.40/505,334.70 = 100,234.80/x
  3. Step 3: Cross multiply
    336,884.40x = 505,334.70 × 100,234.80
  4. Step 4: Simplify right side
    336,884.40x = 50,652,122,587.56
  5. Step 5: Solve for x
    x = 50,652,122,587.56/336,884.40
  6. Step 6: Final answer
    x = 150,354.61

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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.