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Finding the Fourth Proportional to 355,500.80, 533,251.20 and 332,172.80

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Solution

The fourth proportional to 355,500.80, 533,251.20 and 332,172.80 is: 498,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,500.80 : 533,251.20 = 332,172.80 : x
  2. Step 2: Convert to fraction form
    355,500.80/533,251.20 = 332,172.80/x
  3. Step 3: Cross multiply
    355,500.80x = 533,251.20 × 332,172.80
  4. Step 4: Simplify right side
    355,500.80x = 177,131,544,207.36
  5. Step 5: Solve for x
    x = 177,131,544,207.36/355,500.80
  6. Step 6: Final answer
    x = 498,259.20

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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.