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Finding the Fourth Proportional to 324,846.40, 486,578.40 and 269,550.40

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Solution

The fourth proportional to 324,846.40, 486,578.40 and 269,550.40 is: 403,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,846.40 : 486,578.40 = 269,550.40 : x
  2. Step 2: Convert to fraction form
    324,846.40/486,578.40 = 269,550.40/x
  3. Step 3: Cross multiply
    324,846.40x = 486,578.40 × 269,550.40
  4. Step 4: Simplify right side
    324,846.40x = 131,157,402,351.36
  5. Step 5: Solve for x
    x = 131,157,402,351.36/324,846.40
  6. Step 6: Final answer
    x = 403,752.06

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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.