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Finding the Fourth Proportional to 404,578,508.30, 606,799,313.94 and 113,378,611.04

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Solution

The fourth proportional to 404,578,508.30, 606,799,313.94 and 113,378,611.04 is: 170,048,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,578,508.30 : 606,799,313.94 = 113,378,611.04 : x
  2. Step 2: Convert to fraction form
    404,578,508.30/606,799,313.94 = 113,378,611.04/x
  3. Step 3: Cross multiply
    404,578,508.30x = 606,799,313.94 × 113,378,611.04
  4. Step 4: Simplify right side
    404,578,508.30x = 68,798,063,394,542,120
  5. Step 5: Solve for x
    x = 68,798,063,394,542,120/404,578,508.30
  6. Step 6: Final answer
    x = 170,048,734.63

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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.