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Finding the Fourth Proportional to 303,317,999.20, 454,976,999.07 and 303,317,999.20

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Solution

The fourth proportional to 303,317,999.20, 454,976,999.07 and 303,317,999.20 is: 454,976,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,317,999.20 : 454,976,999.07 = 303,317,999.20 : x
  2. Step 2: Convert to fraction form
    303,317,999.20/454,976,999.07 = 303,317,999.20/x
  3. Step 3: Cross multiply
    303,317,999.20x = 454,976,999.07 × 303,317,999.20
  4. Step 4: Simplify right side
    303,317,999.20x = 138,002,713,039,932,656
  5. Step 5: Solve for x
    x = 138,002,713,039,932,656/303,317,999.20
  6. Step 6: Final answer
    x = 454,976,999.07

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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.