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Finding the Fourth Proportional to 269,460,913.70, 404,191,370.55 and 252,454,801.70

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Solution

The fourth proportional to 269,460,913.70, 404,191,370.55 and 252,454,801.70 is: 378,682,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,460,913.70 : 404,191,370.55 = 252,454,801.70 : x
  2. Step 2: Convert to fraction form
    269,460,913.70/404,191,370.55 = 252,454,801.70/x
  3. Step 3: Cross multiply
    269,460,913.70x = 404,191,370.55 × 252,454,801.70
  4. Step 4: Simplify right side
    269,460,913.70x = 102,040,052,301,051,472
  5. Step 5: Solve for x
    x = 102,040,052,301,051,472/269,460,913.70
  6. Step 6: Final answer
    x = 378,682,202.55

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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.