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Finding the Fourth Proportional to 228,040.80, 341,672.40 and 188,383.20

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Solution

The fourth proportional to 228,040.80, 341,672.40 and 188,383.20 is: 282,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,040.80 : 341,672.40 = 188,383.20 : x
  2. Step 2: Convert to fraction form
    228,040.80/341,672.40 = 188,383.20/x
  3. Step 3: Cross multiply
    228,040.80x = 341,672.40 × 188,383.20
  4. Step 4: Simplify right side
    228,040.80x = 64,365,340,063.68
  5. Step 5: Solve for x
    x = 64,365,340,063.68/228,040.80
  6. Step 6: Final answer
    x = 282,253.61

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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.