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Finding the Fourth Proportional to 324,976.52, 487,544.54 and 229,101.09

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Solution

The fourth proportional to 324,976.52, 487,544.54 and 229,101.09 is: 343,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,976.52 : 487,544.54 = 229,101.09 : x
  2. Step 2: Convert to fraction form
    324,976.52/487,544.54 = 229,101.09/x
  3. Step 3: Cross multiply
    324,976.52x = 487,544.54 × 229,101.09
  4. Step 4: Simplify right side
    324,976.52x = 111,696,985,537.55
  5. Step 5: Solve for x
    x = 111,696,985,537.55/324,976.52
  6. Step 6: Final answer
    x = 343,707.86

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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.