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Finding the Fourth Proportional to 322,237.44, 483,578.01 and 111,875.40

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Solution

The fourth proportional to 322,237.44, 483,578.01 and 111,875.40 is: 167,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,237.44 : 483,578.01 = 111,875.40 : x
  2. Step 2: Convert to fraction form
    322,237.44/483,578.01 = 111,875.40/x
  3. Step 3: Cross multiply
    322,237.44x = 483,578.01 × 111,875.40
  4. Step 4: Simplify right side
    322,237.44x = 54,100,483,299.95
  5. Step 5: Solve for x
    x = 54,100,483,299.95/322,237.44
  6. Step 6: Final answer
    x = 167,890.12

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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.