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Finding the Fourth Proportional to 613,190.39, 919,824.46 and 192,482.87

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Solution

The fourth proportional to 613,190.39, 919,824.46 and 192,482.87 is: 288,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,190.39 : 919,824.46 = 192,482.87 : x
  2. Step 2: Convert to fraction form
    613,190.39/919,824.46 = 192,482.87/x
  3. Step 3: Cross multiply
    613,190.39x = 919,824.46 × 192,482.87
  4. Step 4: Simplify right side
    613,190.39x = 177,050,446,876.67
  5. Step 5: Solve for x
    x = 177,050,446,876.67/613,190.39
  6. Step 6: Final answer
    x = 288,736.50

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Similar ratio
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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.