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Finding the Fourth Proportional to 496,788.20, 744,817.80 and 197,120.60

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Solution

The fourth proportional to 496,788.20, 744,817.80 and 197,120.60 is: 295,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,788.20 : 744,817.80 = 197,120.60 : x
  2. Step 2: Convert to fraction form
    496,788.20/744,817.80 = 197,120.60/x
  3. Step 3: Cross multiply
    496,788.20x = 744,817.80 × 197,120.60
  4. Step 4: Simplify right side
    496,788.20x = 146,818,931,626.68
  5. Step 5: Solve for x
    x = 146,818,931,626.68/496,788.20
  6. Step 6: Final answer
    x = 295,536.27

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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.