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Finding the Fourth Proportional to 324,230.92, 486,083.94 and 124,449.28

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Solution

The fourth proportional to 324,230.92, 486,083.94 and 124,449.28 is: 186,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,230.92 : 486,083.94 = 124,449.28 : x
  2. Step 2: Convert to fraction form
    324,230.92/486,083.94 = 124,449.28/x
  3. Step 3: Cross multiply
    324,230.92x = 486,083.94 × 124,449.28
  4. Step 4: Simplify right side
    324,230.92x = 60,492,796,352.56
  5. Step 5: Solve for x
    x = 60,492,796,352.56/324,230.92
  6. Step 6: Final answer
    x = 186,573.19

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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.