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Finding the Fourth Proportional to 374,976,187.30, 523,757,338.70 and 374,976,187.30

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Solution

The fourth proportional to 374,976,187.30, 523,757,338.70 and 374,976,187.30 is: 523,757,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,976,187.30 : 523,757,338.70 = 374,976,187.30 : x
  2. Step 2: Convert to fraction form
    374,976,187.30/523,757,338.70 = 374,976,187.30/x
  3. Step 3: Cross multiply
    374,976,187.30x = 523,757,338.70 × 374,976,187.30
  4. Step 4: Simplify right side
    374,976,187.30x = 196,396,529,936,120,736
  5. Step 5: Solve for x
    x = 196,396,529,936,120,736/374,976,187.30
  6. Step 6: Final answer
    x = 523,757,338.70

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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.