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Finding the Fourth Proportional to 321,948.60, 483,141.60 and 179,793.60

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Solution

The fourth proportional to 321,948.60, 483,141.60 and 179,793.60 is: 269,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,948.60 : 483,141.60 = 179,793.60 : x
  2. Step 2: Convert to fraction form
    321,948.60/483,141.60 = 179,793.60/x
  3. Step 3: Cross multiply
    321,948.60x = 483,141.60 × 179,793.60
  4. Step 4: Simplify right side
    321,948.60x = 86,865,767,573.76
  5. Step 5: Solve for x
    x = 86,865,767,573.76/321,948.60
  6. Step 6: Final answer
    x = 269,812.53

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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.