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Finding the Fourth Proportional to 311,059.05, 467,080.65 and 236,263.65

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Solution

The fourth proportional to 311,059.05, 467,080.65 and 236,263.65 is: 354,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,059.05 : 467,080.65 = 236,263.65 : x
  2. Step 2: Convert to fraction form
    311,059.05/467,080.65 = 236,263.65/x
  3. Step 3: Cross multiply
    311,059.05x = 467,080.65 × 236,263.65
  4. Step 4: Simplify right side
    311,059.05x = 110,354,179,213.37
  5. Step 5: Solve for x
    x = 110,354,179,213.37/311,059.05
  6. Step 6: Final answer
    x = 354,769.23

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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.