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Finding the Fourth Proportional to 235,273.60, 324,679.54 and 127,843.64

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Solution

The fourth proportional to 235,273.60, 324,679.54 and 127,843.64 is: 176,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,273.60 : 324,679.54 = 127,843.64 : x
  2. Step 2: Convert to fraction form
    235,273.60/324,679.54 = 127,843.64/x
  3. Step 3: Cross multiply
    235,273.60x = 324,679.54 × 127,843.64
  4. Step 4: Simplify right side
    235,273.60x = 41,508,214,227.13
  5. Step 5: Solve for x
    x = 41,508,214,227.13/235,273.60
  6. Step 6: Final answer
    x = 176,425.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.