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Finding the Fourth Proportional to 337,051.20, 505,231.20 and 196,737.60

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Solution

The fourth proportional to 337,051.20, 505,231.20 and 196,737.60 is: 294,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,051.20 : 505,231.20 = 196,737.60 : x
  2. Step 2: Convert to fraction form
    337,051.20/505,231.20 = 196,737.60/x
  3. Step 3: Cross multiply
    337,051.20x = 505,231.20 × 196,737.60
  4. Step 4: Simplify right side
    337,051.20x = 99,397,973,733.12
  5. Step 5: Solve for x
    x = 99,397,973,733.12/337,051.20
  6. Step 6: Final answer
    x = 294,904.67

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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.