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Finding the Fourth Proportional to 223,993,829.60, 335,990,744.40 and 191,115,346.40

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Solution

The fourth proportional to 223,993,829.60, 335,990,744.40 and 191,115,346.40 is: 286,673,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,993,829.60 : 335,990,744.40 = 191,115,346.40 : x
  2. Step 2: Convert to fraction form
    223,993,829.60/335,990,744.40 = 191,115,346.40/x
  3. Step 3: Cross multiply
    223,993,829.60x = 335,990,744.40 × 191,115,346.40
  4. Step 4: Simplify right side
    223,993,829.60x = 64,212,987,503,199,856
  5. Step 5: Solve for x
    x = 64,212,987,503,199,856/223,993,829.60
  6. Step 6: Final answer
    x = 286,673,019.60

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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.