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Finding the Fourth Proportional to 223,485,378.40, 335,228,067.60 and 223,485,378.40

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Solution

The fourth proportional to 223,485,378.40, 335,228,067.60 and 223,485,378.40 is: 335,228,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,485,378.40 : 335,228,067.60 = 223,485,378.40 : x
  2. Step 2: Convert to fraction form
    223,485,378.40/335,228,067.60 = 223,485,378.40/x
  3. Step 3: Cross multiply
    223,485,378.40x = 335,228,067.60 × 223,485,378.40
  4. Step 4: Simplify right side
    223,485,378.40x = 74,918,571,537,886,784
  5. Step 5: Solve for x
    x = 74,918,571,537,886,784/223,485,378.40
  6. Step 6: Final answer
    x = 335,228,067.60

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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.