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Finding the Fourth Proportional to 322,418.40, 483,044.40 and 275,762.40

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Solution

The fourth proportional to 322,418.40, 483,044.40 and 275,762.40 is: 413,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,418.40 : 483,044.40 = 275,762.40 : x
  2. Step 2: Convert to fraction form
    322,418.40/483,044.40 = 275,762.40/x
  3. Step 3: Cross multiply
    322,418.40x = 483,044.40 × 275,762.40
  4. Step 4: Simplify right side
    322,418.40x = 133,205,483,050.56
  5. Step 5: Solve for x
    x = 133,205,483,050.56/322,418.40
  6. Step 6: Final answer
    x = 413,144.79

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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.