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Finding the Fourth Proportional to 3,486,092.84, 5,229,440.48 and 961,748.09

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Solution

The fourth proportional to 3,486,092.84, 5,229,440.48 and 961,748.09 is: 1,442,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,092.84 : 5,229,440.48 = 961,748.09 : x
  2. Step 2: Convert to fraction form
    3,486,092.84/5,229,440.48 = 961,748.09/x
  3. Step 3: Cross multiply
    3,486,092.84x = 5,229,440.48 × 961,748.09
  4. Step 4: Simplify right side
    3,486,092.84x = 5,029,404,393,408.68
  5. Step 5: Solve for x
    x = 5,029,404,393,408.68/3,486,092.84
  6. Step 6: Final answer
    x = 1,442,705.24

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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.