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Finding the Fourth Proportional to 538,086.30, 806,837.85 and 222,186.30

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Solution

The fourth proportional to 538,086.30, 806,837.85 and 222,186.30 is: 333,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,086.30 : 806,837.85 = 222,186.30 : x
  2. Step 2: Convert to fraction form
    538,086.30/806,837.85 = 222,186.30/x
  3. Step 3: Cross multiply
    538,086.30x = 806,837.85 × 222,186.30
  4. Step 4: Simplify right side
    538,086.30x = 179,268,316,591.46
  5. Step 5: Solve for x
    x = 179,268,316,591.46/538,086.30
  6. Step 6: Final answer
    x = 333,159.04

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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.