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Finding the Fourth Proportional to 303,826.32, 455,600.97 and 126,227.34

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Solution

The fourth proportional to 303,826.32, 455,600.97 and 126,227.34 is: 189,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,826.32 : 455,600.97 = 126,227.34 : x
  2. Step 2: Convert to fraction form
    303,826.32/455,600.97 = 126,227.34/x
  3. Step 3: Cross multiply
    303,826.32x = 455,600.97 × 126,227.34
  4. Step 4: Simplify right side
    303,826.32x = 57,509,298,544.52
  5. Step 5: Solve for x
    x = 57,509,298,544.52/303,826.32
  6. Step 6: Final answer
    x = 189,283.46

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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.