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Finding the Fourth Proportional to 490,341.12, 734,141.34 and 264,893.85

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Solution

The fourth proportional to 490,341.12, 734,141.34 and 264,893.85 is: 396,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,341.12 : 734,141.34 = 264,893.85 : x
  2. Step 2: Convert to fraction form
    490,341.12/734,141.34 = 264,893.85/x
  3. Step 3: Cross multiply
    490,341.12x = 734,141.34 × 264,893.85
  4. Step 4: Simplify right side
    490,341.12x = 194,469,525,996.76
  5. Step 5: Solve for x
    x = 194,469,525,996.76/490,341.12
  6. Step 6: Final answer
    x = 396,600.48

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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.