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Finding the Fourth Proportional to 433,815.54, 650,481.90 and 134,211.12

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Solution

The fourth proportional to 433,815.54, 650,481.90 and 134,211.12 is: 201,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,815.54 : 650,481.90 = 134,211.12 : x
  2. Step 2: Convert to fraction form
    433,815.54/650,481.90 = 134,211.12/x
  3. Step 3: Cross multiply
    433,815.54x = 650,481.90 × 134,211.12
  4. Step 4: Simplify right side
    433,815.54x = 87,301,904,338.73
  5. Step 5: Solve for x
    x = 87,301,904,338.73/433,815.54
  6. Step 6: Final answer
    x = 201,241.99

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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.