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Finding the Fourth Proportional to 304,786.45, 456,958.18 and 127,344.21

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Solution

The fourth proportional to 304,786.45, 456,958.18 and 127,344.21 is: 190,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,786.45 : 456,958.18 = 127,344.21 : x
  2. Step 2: Convert to fraction form
    304,786.45/456,958.18 = 127,344.21/x
  3. Step 3: Cross multiply
    304,786.45x = 456,958.18 × 127,344.21
  4. Step 4: Simplify right side
    304,786.45x = 58,190,978,435.14
  5. Step 5: Solve for x
    x = 58,190,978,435.14/304,786.45
  6. Step 6: Final answer
    x = 190,923.77

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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.