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Finding the Fourth Proportional to 299,550,551.60, 449,325,827.40 and 251,177,610.80

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Solution

The fourth proportional to 299,550,551.60, 449,325,827.40 and 251,177,610.80 is: 376,766,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,550,551.60 : 449,325,827.40 = 251,177,610.80 : x
  2. Step 2: Convert to fraction form
    299,550,551.60/449,325,827.40 = 251,177,610.80/x
  3. Step 3: Cross multiply
    299,550,551.60x = 449,325,827.40 × 251,177,610.80
  4. Step 4: Simplify right side
    299,550,551.60x = 112,860,587,797,065,168
  5. Step 5: Solve for x
    x = 112,860,587,797,065,168/299,550,551.60
  6. Step 6: Final answer
    x = 376,766,416.20

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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.