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Finding the Fourth Proportional to 269,744,358.80, 404,616,538.20 and 201,719,910.80

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Solution

The fourth proportional to 269,744,358.80, 404,616,538.20 and 201,719,910.80 is: 302,579,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,744,358.80 : 404,616,538.20 = 201,719,910.80 : x
  2. Step 2: Convert to fraction form
    269,744,358.80/404,616,538.20 = 201,719,910.80/x
  3. Step 3: Cross multiply
    269,744,358.80x = 404,616,538.20 × 201,719,910.80
  4. Step 4: Simplify right side
    269,744,358.80x = 81,619,211,993,908,800
  5. Step 5: Solve for x
    x = 81,619,211,993,908,800/269,744,358.80
  6. Step 6: Final answer
    x = 302,579,866.20

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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.