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Finding the Fourth Proportional to 269,438,474.80, 404,157,712.20 and 269,438,474.80

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Solution

The fourth proportional to 269,438,474.80, 404,157,712.20 and 269,438,474.80 is: 404,157,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,438,474.80 : 404,157,712.20 = 269,438,474.80 : x
  2. Step 2: Convert to fraction form
    269,438,474.80/404,157,712.20 = 269,438,474.80/x
  3. Step 3: Cross multiply
    269,438,474.80x = 404,157,712.20 × 269,438,474.80
  4. Step 4: Simplify right side
    269,438,474.80x = 108,895,637,553,825,360
  5. Step 5: Solve for x
    x = 108,895,637,553,825,360/269,438,474.80
  6. Step 6: Final answer
    x = 404,157,712.20

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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.