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Finding the Fourth Proportional to 297,992.76, 446,977.08 and 73,342.20

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Solution

The fourth proportional to 297,992.76, 446,977.08 and 73,342.20 is: 110,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,992.76 : 446,977.08 = 73,342.20 : x
  2. Step 2: Convert to fraction form
    297,992.76/446,977.08 = 73,342.20/x
  3. Step 3: Cross multiply
    297,992.76x = 446,977.08 × 73,342.20
  4. Step 4: Simplify right side
    297,992.76x = 32,782,282,396.78
  5. Step 5: Solve for x
    x = 32,782,282,396.78/297,992.76
  6. Step 6: Final answer
    x = 110,010.33

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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.