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Finding the Fourth Proportional to 408,793.35, 613,190.03 and 251,329.35

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Solution

The fourth proportional to 408,793.35, 613,190.03 and 251,329.35 is: 376,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,793.35 : 613,190.03 = 251,329.35 : x
  2. Step 2: Convert to fraction form
    408,793.35/613,190.03 = 251,329.35/x
  3. Step 3: Cross multiply
    408,793.35x = 613,190.03 × 251,329.35
  4. Step 4: Simplify right side
    408,793.35x = 154,112,650,409.73
  5. Step 5: Solve for x
    x = 154,112,650,409.73/408,793.35
  6. Step 6: Final answer
    x = 376,994.03

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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.