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Finding the Fourth Proportional to 344,420,466.92, 475,303,954.02 and 187,786,295.72

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Solution

The fourth proportional to 344,420,466.92, 475,303,954.02 and 187,786,295.72 is: 259,147,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,420,466.92 : 475,303,954.02 = 187,786,295.72 : x
  2. Step 2: Convert to fraction form
    344,420,466.92/475,303,954.02 = 187,786,295.72/x
  3. Step 3: Cross multiply
    344,420,466.92x = 475,303,954.02 × 187,786,295.72
  4. Step 4: Simplify right side
    344,420,466.92x = 89,255,568,866,484,992
  5. Step 5: Solve for x
    x = 89,255,568,866,484,992/344,420,466.92
  6. Step 6: Final answer
    x = 259,147,110.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.