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Finding the Fourth Proportional to 230,836.45, 316,244.45 and 222,204.28

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Solution

The fourth proportional to 230,836.45, 316,244.45 and 222,204.28 is: 304,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,836.45 : 316,244.45 = 222,204.28 : x
  2. Step 2: Convert to fraction form
    230,836.45/316,244.45 = 222,204.28/x
  3. Step 3: Cross multiply
    230,836.45x = 316,244.45 × 222,204.28
  4. Step 4: Simplify right side
    230,836.45x = 70,270,870,316.25
  5. Step 5: Solve for x
    x = 70,270,870,316.25/230,836.45
  6. Step 6: Final answer
    x = 304,418.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.