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Finding the Fourth Proportional to 236,471.10, 354,706.65 and 227,139.90

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Solution

The fourth proportional to 236,471.10, 354,706.65 and 227,139.90 is: 340,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,471.10 : 354,706.65 = 227,139.90 : x
  2. Step 2: Convert to fraction form
    236,471.10/354,706.65 = 227,139.90/x
  3. Step 3: Cross multiply
    236,471.10x = 354,706.65 × 227,139.90
  4. Step 4: Simplify right side
    236,471.10x = 80,568,033,010.34
  5. Step 5: Solve for x
    x = 80,568,033,010.34/236,471.10
  6. Step 6: Final answer
    x = 340,709.85

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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.