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Finding the Fourth Proportional to 496,228.60, 744,537.30 and 196,658.20

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Solution

The fourth proportional to 496,228.60, 744,537.30 and 196,658.20 is: 295,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,228.60 : 744,537.30 = 196,658.20 : x
  2. Step 2: Convert to fraction form
    496,228.60/744,537.30 = 196,658.20/x
  3. Step 3: Cross multiply
    496,228.60x = 744,537.30 × 196,658.20
  4. Step 4: Simplify right side
    496,228.60x = 146,419,365,250.86
  5. Step 5: Solve for x
    x = 146,419,365,250.86/496,228.60
  6. Step 6: Final answer
    x = 295,064.34

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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.