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Finding the Fourth Proportional to 321,970.60, 483,174.60 and 179,815.60

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Solution

The fourth proportional to 321,970.60, 483,174.60 and 179,815.60 is: 269,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,970.60 : 483,174.60 = 179,815.60 : x
  2. Step 2: Convert to fraction form
    321,970.60/483,174.60 = 179,815.60/x
  3. Step 3: Cross multiply
    321,970.60x = 483,174.60 × 179,815.60
  4. Step 4: Simplify right side
    321,970.60x = 86,882,330,603.76
  5. Step 5: Solve for x
    x = 86,882,330,603.76/321,970.60
  6. Step 6: Final answer
    x = 269,845.54

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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.