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Finding the Fourth Proportional to 337,004.20, 505,160.70 and 196,690.60

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Solution

The fourth proportional to 337,004.20, 505,160.70 and 196,690.60 is: 294,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,004.20 : 505,160.70 = 196,690.60 : x
  2. Step 2: Convert to fraction form
    337,004.20/505,160.70 = 196,690.60/x
  3. Step 3: Cross multiply
    337,004.20x = 505,160.70 × 196,690.60
  4. Step 4: Simplify right side
    337,004.20x = 99,360,361,179.42
  5. Step 5: Solve for x
    x = 99,360,361,179.42/337,004.20
  6. Step 6: Final answer
    x = 294,834.19

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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.