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Finding the Fourth Proportional to 301,698.60, 451,891.80 and 183,163.20

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Solution

The fourth proportional to 301,698.60, 451,891.80 and 183,163.20 is: 274,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,698.60 : 451,891.80 = 183,163.20 : x
  2. Step 2: Convert to fraction form
    301,698.60/451,891.80 = 183,163.20/x
  3. Step 3: Cross multiply
    301,698.60x = 451,891.80 × 183,163.20
  4. Step 4: Simplify right side
    301,698.60x = 82,769,948,141.76
  5. Step 5: Solve for x
    x = 82,769,948,141.76/301,698.60
  6. Step 6: Final answer
    x = 274,346.48

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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.