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Finding the Fourth Proportional to 538,159.20, 806,893.20 and 222,741.60

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Solution

The fourth proportional to 538,159.20, 806,893.20 and 222,741.60 is: 333,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,159.20 : 806,893.20 = 222,741.60 : x
  2. Step 2: Convert to fraction form
    538,159.20/806,893.20 = 222,741.60/x
  3. Step 3: Cross multiply
    538,159.20x = 806,893.20 × 222,741.60
  4. Step 4: Simplify right side
    538,159.20x = 179,728,682,397.12
  5. Step 5: Solve for x
    x = 179,728,682,397.12/538,159.20
  6. Step 6: Final answer
    x = 333,969.36

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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.