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Finding the Fourth Proportional to 329,067.52, 493,601.27 and 79,749.52

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Solution

The fourth proportional to 329,067.52, 493,601.27 and 79,749.52 is: 119,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,067.52 : 493,601.27 = 79,749.52 : x
  2. Step 2: Convert to fraction form
    329,067.52/493,601.27 = 79,749.52/x
  3. Step 3: Cross multiply
    329,067.52x = 493,601.27 × 79,749.52
  4. Step 4: Simplify right side
    329,067.52x = 39,364,463,319.26
  5. Step 5: Solve for x
    x = 39,364,463,319.26/329,067.52
  6. Step 6: Final answer
    x = 119,624.28

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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.