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Finding the Fourth Proportional to 304,195.96, 456,371.70 and 126,643.96

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Solution

The fourth proportional to 304,195.96, 456,371.70 and 126,643.96 is: 189,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,195.96 : 456,371.70 = 126,643.96 : x
  2. Step 2: Convert to fraction form
    304,195.96/456,371.70 = 126,643.96/x
  3. Step 3: Cross multiply
    304,195.96x = 456,371.70 × 126,643.96
  4. Step 4: Simplify right side
    304,195.96x = 57,796,719,319.93
  5. Step 5: Solve for x
    x = 57,796,719,319.93/304,195.96
  6. Step 6: Final answer
    x = 189,998.31

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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.