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Finding the Fourth Proportional to 403,968.03, 605,765.81 and 119,556.88

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Solution

The fourth proportional to 403,968.03, 605,765.81 and 119,556.88 is: 179,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,968.03 : 605,765.81 = 119,556.88 : x
  2. Step 2: Convert to fraction form
    403,968.03/605,765.81 = 119,556.88/x
  3. Step 3: Cross multiply
    403,968.03x = 605,765.81 × 119,556.88
  4. Step 4: Simplify right side
    403,968.03x = 72,423,469,656.49
  5. Step 5: Solve for x
    x = 72,423,469,656.49/403,968.03
  6. Step 6: Final answer
    x = 179,280.20

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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.