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Finding the Fourth Proportional to 252,665,679.60, 378,998,519.40 and 116,616,783.60

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Solution

The fourth proportional to 252,665,679.60, 378,998,519.40 and 116,616,783.60 is: 174,925,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,665,679.60 : 378,998,519.40 = 116,616,783.60 : x
  2. Step 2: Convert to fraction form
    252,665,679.60/378,998,519.40 = 116,616,783.60/x
  3. Step 3: Cross multiply
    252,665,679.60x = 378,998,519.40 × 116,616,783.60
  4. Step 4: Simplify right side
    252,665,679.60x = 44,197,588,321,590,200
  5. Step 5: Solve for x
    x = 44,197,588,321,590,200/252,665,679.60
  6. Step 6: Final answer
    x = 174,925,175.40

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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.