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Finding the Fourth Proportional to 304,004.28, 455,760.44 and 126,644.52

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Solution

The fourth proportional to 304,004.28, 455,760.44 and 126,644.52 is: 189,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,004.28 : 455,760.44 = 126,644.52 : x
  2. Step 2: Convert to fraction form
    304,004.28/455,760.44 = 126,644.52/x
  3. Step 3: Cross multiply
    304,004.28x = 455,760.44 × 126,644.52
  4. Step 4: Simplify right side
    304,004.28x = 57,719,562,158.79
  5. Step 5: Solve for x
    x = 57,719,562,158.79/304,004.28
  6. Step 6: Final answer
    x = 189,864.31

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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.