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Finding the Fourth Proportional to 617,350.30, 926,200.77 and 196,658.62

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Solution

The fourth proportional to 617,350.30, 926,200.77 and 196,658.62 is: 295,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,350.30 : 926,200.77 = 196,658.62 : x
  2. Step 2: Convert to fraction form
    617,350.30/926,200.77 = 196,658.62/x
  3. Step 3: Cross multiply
    617,350.30x = 926,200.77 × 196,658.62
  4. Step 4: Simplify right side
    617,350.30x = 182,145,365,271.14
  5. Step 5: Solve for x
    x = 182,145,365,271.14/617,350.30
  6. Step 6: Final answer
    x = 295,043.78

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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.