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Finding the Fourth Proportional to 374,940,999.45, 523,625,997.60 and 374,940,999.45

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Solution

The fourth proportional to 374,940,999.45, 523,625,997.60 and 374,940,999.45 is: 523,625,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,940,999.45 : 523,625,997.60 = 374,940,999.45 : x
  2. Step 2: Convert to fraction form
    374,940,999.45/523,625,997.60 = 374,940,999.45/x
  3. Step 3: Cross multiply
    374,940,999.45x = 523,625,997.60 × 374,940,999.45
  4. Step 4: Simplify right side
    374,940,999.45x = 196,328,854,878,147,296
  5. Step 5: Solve for x
    x = 196,328,854,878,147,296/374,940,999.45
  6. Step 6: Final answer
    x = 523,625,997.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.