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Finding the Fourth Proportional to 404,013.80, 606,676.80 and 271,481.60

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Solution

The fourth proportional to 404,013.80, 606,676.80 and 271,481.60 is: 407,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,013.80 : 606,676.80 = 271,481.60 : x
  2. Step 2: Convert to fraction form
    404,013.80/606,676.80 = 271,481.60/x
  3. Step 3: Cross multiply
    404,013.80x = 606,676.80 × 271,481.60
  4. Step 4: Simplify right side
    404,013.80x = 164,701,588,346.88
  5. Step 5: Solve for x
    x = 164,701,588,346.88/404,013.80
  6. Step 6: Final answer
    x = 407,663.27

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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.