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Finding the Fourth Proportional to 335,847.20, 503,770.80 and 194,129.60

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Solution

The fourth proportional to 335,847.20, 503,770.80 and 194,129.60 is: 291,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,847.20 : 503,770.80 = 194,129.60 : x
  2. Step 2: Convert to fraction form
    335,847.20/503,770.80 = 194,129.60/x
  3. Step 3: Cross multiply
    335,847.20x = 503,770.80 × 194,129.60
  4. Step 4: Simplify right side
    335,847.20x = 97,796,823,895.68
  5. Step 5: Solve for x
    x = 97,796,823,895.68/335,847.20
  6. Step 6: Final answer
    x = 291,194.40

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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.