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Finding the Fourth Proportional to 299,376,469.60, 449,064,704.40 and 94,904,216.80

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Solution

The fourth proportional to 299,376,469.60, 449,064,704.40 and 94,904,216.80 is: 142,356,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,376,469.60 : 449,064,704.40 = 94,904,216.80 : x
  2. Step 2: Convert to fraction form
    299,376,469.60/449,064,704.40 = 94,904,216.80/x
  3. Step 3: Cross multiply
    299,376,469.60x = 449,064,704.40 × 94,904,216.80
  4. Step 4: Simplify right side
    299,376,469.60x = 42,618,134,063,605,512
  5. Step 5: Solve for x
    x = 42,618,134,063,605,512/299,376,469.60
  6. Step 6: Final answer
    x = 142,356,325.20

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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.