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Finding the Fourth Proportional to 222,791.60, 334,187.40 and 214,918.40

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Solution

The fourth proportional to 222,791.60, 334,187.40 and 214,918.40 is: 322,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,791.60 : 334,187.40 = 214,918.40 : x
  2. Step 2: Convert to fraction form
    222,791.60/334,187.40 = 214,918.40/x
  3. Step 3: Cross multiply
    222,791.60x = 334,187.40 × 214,918.40
  4. Step 4: Simplify right side
    222,791.60x = 71,823,021,308.16
  5. Step 5: Solve for x
    x = 71,823,021,308.16/222,791.60
  6. Step 6: Final answer
    x = 322,377.60

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1.5x scale

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.