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Finding the Fourth Proportional to 270,711.54, 405,930.58 and 158,425.49

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Solution

The fourth proportional to 270,711.54, 405,930.58 and 158,425.49 is: 237,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,711.54 : 405,930.58 = 158,425.49 : x
  2. Step 2: Convert to fraction form
    270,711.54/405,930.58 = 158,425.49/x
  3. Step 3: Cross multiply
    270,711.54x = 405,930.58 × 158,425.49
  4. Step 4: Simplify right side
    270,711.54x = 64,309,751,042.48
  5. Step 5: Solve for x
    x = 64,309,751,042.48/270,711.54
  6. Step 6: Final answer
    x = 237,558.22

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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.