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Finding the Fourth Proportional to 196,646,781.40, 274,795,310.60 and 196,646,781.40

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Solution

The fourth proportional to 196,646,781.40, 274,795,310.60 and 196,646,781.40 is: 274,795,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,646,781.40 : 274,795,310.60 = 196,646,781.40 : x
  2. Step 2: Convert to fraction form
    196,646,781.40/274,795,310.60 = 196,646,781.40/x
  3. Step 3: Cross multiply
    196,646,781.40x = 274,795,310.60 × 196,646,781.40
  4. Step 4: Simplify right side
    196,646,781.40x = 54,037,613,373,303,312
  5. Step 5: Solve for x
    x = 54,037,613,373,303,312/196,646,781.40
  6. Step 6: Final answer
    x = 274,795,310.60

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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.