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Finding the Fourth Proportional to 222,615, 333,941.94 and 56,403

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Solution

The fourth proportional to 222,615, 333,941.94 and 56,403 is: 84,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,615 : 333,941.94 = 56,403 : x
  2. Step 2: Convert to fraction form
    222,615/333,941.94 = 56,403/x
  3. Step 3: Cross multiply
    222,615x = 333,941.94 × 56,403
  4. Step 4: Simplify right side
    222,615x = 18,835,327,241.82
  5. Step 5: Solve for x
    x = 18,835,327,241.82/222,615
  6. Step 6: Final answer
    x = 84,609.43

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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.