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Finding the Fourth Proportional to 496,279.20, 744,054.30 and 196,611.60

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Solution

The fourth proportional to 496,279.20, 744,054.30 and 196,611.60 is: 294,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,279.20 : 744,054.30 = 196,611.60 : x
  2. Step 2: Convert to fraction form
    496,279.20/744,054.30 = 196,611.60/x
  3. Step 3: Cross multiply
    496,279.20x = 744,054.30 × 196,611.60
  4. Step 4: Simplify right side
    496,279.20x = 146,289,706,409.88
  5. Step 5: Solve for x
    x = 146,289,706,409.88/496,279.20
  6. Step 6: Final answer
    x = 294,773.00

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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.