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Finding the Fourth Proportional to 262,995.78, 362,845.53 and 149,738.34

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Solution

The fourth proportional to 262,995.78, 362,845.53 and 149,738.34 is: 206,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,995.78 : 362,845.53 = 149,738.34 : x
  2. Step 2: Convert to fraction form
    262,995.78/362,845.53 = 149,738.34/x
  3. Step 3: Cross multiply
    262,995.78x = 362,845.53 × 149,738.34
  4. Step 4: Simplify right side
    262,995.78x = 54,331,887,338.62
  5. Step 5: Solve for x
    x = 54,331,887,338.62/262,995.78
  6. Step 6: Final answer
    x = 206,588.44

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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.