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Finding the Fourth Proportional to 275,008.20, 412,512.30 and 241,765.80

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Solution

The fourth proportional to 275,008.20, 412,512.30 and 241,765.80 is: 362,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,008.20 : 412,512.30 = 241,765.80 : x
  2. Step 2: Convert to fraction form
    275,008.20/412,512.30 = 241,765.80/x
  3. Step 3: Cross multiply
    275,008.20x = 412,512.30 × 241,765.80
  4. Step 4: Simplify right side
    275,008.20x = 99,731,366,219.34
  5. Step 5: Solve for x
    x = 99,731,366,219.34/275,008.20
  6. Step 6: Final answer
    x = 362,648.70

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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.