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Finding the Fourth Proportional to 262,447.45, 393,733.64 and 84,954.44

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Solution

The fourth proportional to 262,447.45, 393,733.64 and 84,954.44 is: 127,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,447.45 : 393,733.64 = 84,954.44 : x
  2. Step 2: Convert to fraction form
    262,447.45/393,733.64 = 84,954.44/x
  3. Step 3: Cross multiply
    262,447.45x = 393,733.64 × 84,954.44
  4. Step 4: Simplify right side
    262,447.45x = 33,449,422,092.08
  5. Step 5: Solve for x
    x = 33,449,422,092.08/262,447.45
  6. Step 6: Final answer
    x = 127,451.89

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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.