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Finding the Fourth Proportional to 192,419.20, 288,628.80 and 183,233.80

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Solution

The fourth proportional to 192,419.20, 288,628.80 and 183,233.80 is: 274,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,419.20 : 288,628.80 = 183,233.80 : x
  2. Step 2: Convert to fraction form
    192,419.20/288,628.80 = 183,233.80/x
  3. Step 3: Cross multiply
    192,419.20x = 288,628.80 × 183,233.80
  4. Step 4: Simplify right side
    192,419.20x = 52,886,551,813.44
  5. Step 5: Solve for x
    x = 52,886,551,813.44/192,419.20
  6. Step 6: Final answer
    x = 274,850.70

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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.