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Finding the Fourth Proportional to 269,568,020.40, 404,352,030.60 and 160,728,903.60

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Solution

The fourth proportional to 269,568,020.40, 404,352,030.60 and 160,728,903.60 is: 241,093,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,020.40 : 404,352,030.60 = 160,728,903.60 : x
  2. Step 2: Convert to fraction form
    269,568,020.40/404,352,030.60 = 160,728,903.60/x
  3. Step 3: Cross multiply
    269,568,020.40x = 404,352,030.60 × 160,728,903.60
  4. Step 4: Simplify right side
    269,568,020.40x = 64,991,058,546,771,648
  5. Step 5: Solve for x
    x = 64,991,058,546,771,648/269,568,020.40
  6. Step 6: Final answer
    x = 241,093,355.40

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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.