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Finding the Fourth Proportional to 269,595,616.20, 404,393,424.30 and 259,014,035.40

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Solution

The fourth proportional to 269,595,616.20, 404,393,424.30 and 259,014,035.40 is: 388,521,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,595,616.20 : 404,393,424.30 = 259,014,035.40 : x
  2. Step 2: Convert to fraction form
    269,595,616.20/404,393,424.30 = 259,014,035.40/x
  3. Step 3: Cross multiply
    269,595,616.20x = 404,393,424.30 × 259,014,035.40
  4. Step 4: Simplify right side
    269,595,616.20x = 104,743,572,717,167,424
  5. Step 5: Solve for x
    x = 104,743,572,717,167,424/269,595,616.20
  6. Step 6: Final answer
    x = 388,521,053.10

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1.5x scale

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.