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Finding the Fourth Proportional to 223,485,346.90, 335,228,020.35 and 223,485,346.90

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Solution

The fourth proportional to 223,485,346.90, 335,228,020.35 and 223,485,346.90 is: 335,228,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,485,346.90 : 335,228,020.35 = 223,485,346.90 : x
  2. Step 2: Convert to fraction form
    223,485,346.90/335,228,020.35 = 223,485,346.90/x
  3. Step 3: Cross multiply
    223,485,346.90x = 335,228,020.35 × 223,485,346.90
  4. Step 4: Simplify right side
    223,485,346.90x = 74,918,550,418,520,016
  5. Step 5: Solve for x
    x = 74,918,550,418,520,016/223,485,346.90
  6. Step 6: Final answer
    x = 335,228,020.35

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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.