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Finding the Fourth Proportional to 590,981,262.40, 886,471,893.60 and 346,093,249.60

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Solution

The fourth proportional to 590,981,262.40, 886,471,893.60 and 346,093,249.60 is: 519,139,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,981,262.40 : 886,471,893.60 = 346,093,249.60 : x
  2. Step 2: Convert to fraction form
    590,981,262.40/886,471,893.60 = 346,093,249.60/x
  3. Step 3: Cross multiply
    590,981,262.40x = 886,471,893.60 × 346,093,249.60
  4. Step 4: Simplify right side
    590,981,262.40x = 306,801,938,335,089,472
  5. Step 5: Solve for x
    x = 306,801,938,335,089,472/590,981,262.40
  6. Step 6: Final answer
    x = 519,139,874.40

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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.