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Finding the Fourth Proportional to 311,736.15, 467,604.23 and 222,798.15

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Solution

The fourth proportional to 311,736.15, 467,604.23 and 222,798.15 is: 334,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,736.15 : 467,604.23 = 222,798.15 : x
  2. Step 2: Convert to fraction form
    311,736.15/467,604.23 = 222,798.15/x
  3. Step 3: Cross multiply
    311,736.15x = 467,604.23 × 222,798.15
  4. Step 4: Simplify right side
    311,736.15x = 104,181,356,262.18
  5. Step 5: Solve for x
    x = 104,181,356,262.18/311,736.15
  6. Step 6: Final answer
    x = 334,197.23

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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.