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Finding the Fourth Proportional to 322,537.16, 483,866.78 and 106,408.28

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Solution

The fourth proportional to 322,537.16, 483,866.78 and 106,408.28 is: 159,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,537.16 : 483,866.78 = 106,408.28 : x
  2. Step 2: Convert to fraction form
    322,537.16/483,866.78 = 106,408.28/x
  3. Step 3: Cross multiply
    322,537.16x = 483,866.78 × 106,408.28
  4. Step 4: Simplify right side
    322,537.16x = 51,487,432,486.56
  5. Step 5: Solve for x
    x = 51,487,432,486.56/322,537.16
  6. Step 6: Final answer
    x = 159,632.56

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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.