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Finding the Fourth Proportional to 324,074.52, 486,111.80 and 102,458.52

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Solution

The fourth proportional to 324,074.52, 486,111.80 and 102,458.52 is: 153,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,074.52 : 486,111.80 = 102,458.52 : x
  2. Step 2: Convert to fraction form
    324,074.52/486,111.80 = 102,458.52/x
  3. Step 3: Cross multiply
    324,074.52x = 486,111.80 × 102,458.52
  4. Step 4: Simplify right side
    324,074.52x = 49,806,295,582.54
  5. Step 5: Solve for x
    x = 49,806,295,582.54/324,074.52
  6. Step 6: Final answer
    x = 153,687.79

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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.