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Finding the Fourth Proportional to 222,619, 333,947.94 and 56,407

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Solution

The fourth proportional to 222,619, 333,947.94 and 56,407 is: 84,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,619 : 333,947.94 = 56,407 : x
  2. Step 2: Convert to fraction form
    222,619/333,947.94 = 56,407/x
  3. Step 3: Cross multiply
    222,619x = 333,947.94 × 56,407
  4. Step 4: Simplify right side
    222,619x = 18,837,001,451.58
  5. Step 5: Solve for x
    x = 18,837,001,451.58/222,619
  6. Step 6: Final answer
    x = 84,615.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.