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Finding the Fourth Proportional to 442,207.54, 663,324.30 and 122,362.03

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Solution

The fourth proportional to 442,207.54, 663,324.30 and 122,362.03 is: 183,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,207.54 : 663,324.30 = 122,362.03 : x
  2. Step 2: Convert to fraction form
    442,207.54/663,324.30 = 122,362.03/x
  3. Step 3: Cross multiply
    442,207.54x = 663,324.30 × 122,362.03
  4. Step 4: Simplify right side
    442,207.54x = 81,165,707,896.33
  5. Step 5: Solve for x
    x = 81,165,707,896.33/442,207.54
  6. Step 6: Final answer
    x = 183,546.64

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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.