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Finding the Fourth Proportional to 450,091.91, 674,930.09 and 165,711.03

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Solution

The fourth proportional to 450,091.91, 674,930.09 and 165,711.03 is: 248,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,091.91 : 674,930.09 = 165,711.03 : x
  2. Step 2: Convert to fraction form
    450,091.91/674,930.09 = 165,711.03/x
  3. Step 3: Cross multiply
    450,091.91x = 674,930.09 × 165,711.03
  4. Step 4: Simplify right side
    450,091.91x = 111,843,359,563.34
  5. Step 5: Solve for x
    x = 111,843,359,563.34/450,091.91
  6. Step 6: Final answer
    x = 248,490.05

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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.