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Finding the Fourth Proportional to 404,264,620.60, 606,396,930.90 and 361,938,297.40

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Solution

The fourth proportional to 404,264,620.60, 606,396,930.90 and 361,938,297.40 is: 542,907,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,264,620.60 : 606,396,930.90 = 361,938,297.40 : x
  2. Step 2: Convert to fraction form
    404,264,620.60/606,396,930.90 = 361,938,297.40/x
  3. Step 3: Cross multiply
    404,264,620.60x = 606,396,930.90 × 361,938,297.40
  4. Step 4: Simplify right side
    404,264,620.60x = 219,478,272,718,531,424
  5. Step 5: Solve for x
    x = 219,478,272,718,531,424/404,264,620.60
  6. Step 6: Final answer
    x = 542,907,446.10

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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.