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Finding the Fourth Proportional to 304,371.72, 456,513.84 and 126,845.64

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Solution

The fourth proportional to 304,371.72, 456,513.84 and 126,845.64 is: 190,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,371.72 : 456,513.84 = 126,845.64 : x
  2. Step 2: Convert to fraction form
    304,371.72/456,513.84 = 126,845.64/x
  3. Step 3: Cross multiply
    304,371.72x = 456,513.84 × 126,845.64
  4. Step 4: Simplify right side
    304,371.72x = 57,906,790,203.66
  5. Step 5: Solve for x
    x = 57,906,790,203.66/304,371.72
  6. Step 6: Final answer
    x = 190,250.23

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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.