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Finding the Fourth Proportional to 311,230.60, 467,283.30 and 193,132.60

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Solution

The fourth proportional to 311,230.60, 467,283.30 and 193,132.60 is: 289,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,230.60 : 467,283.30 = 193,132.60 : x
  2. Step 2: Convert to fraction form
    311,230.60/467,283.30 = 193,132.60/x
  3. Step 3: Cross multiply
    311,230.60x = 467,283.30 × 193,132.60
  4. Step 4: Simplify right side
    311,230.60x = 90,247,638,665.58
  5. Step 5: Solve for x
    x = 90,247,638,665.58/311,230.60
  6. Step 6: Final answer
    x = 289,970.33

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1.5x scale

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.