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Finding the Fourth Proportional to 279,588,855.60, 419,383,283.40 and 158,656,503.60

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Solution

The fourth proportional to 279,588,855.60, 419,383,283.40 and 158,656,503.60 is: 237,984,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,588,855.60 : 419,383,283.40 = 158,656,503.60 : x
  2. Step 2: Convert to fraction form
    279,588,855.60/419,383,283.40 = 158,656,503.60/x
  3. Step 3: Cross multiply
    279,588,855.60x = 419,383,283.40 × 158,656,503.60
  4. Step 4: Simplify right side
    279,588,855.60x = 66,537,885,412,531,912
  5. Step 5: Solve for x
    x = 66,537,885,412,531,912/279,588,855.60
  6. Step 6: Final answer
    x = 237,984,755.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.