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Finding the Fourth Proportional to 613,305.28, 919,996.86 and 192,597.76

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Solution

The fourth proportional to 613,305.28, 919,996.86 and 192,597.76 is: 288,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,305.28 : 919,996.86 = 192,597.76 : x
  2. Step 2: Convert to fraction form
    613,305.28/919,996.86 = 192,597.76/x
  3. Step 3: Cross multiply
    613,305.28x = 919,996.86 × 192,597.76
  4. Step 4: Simplify right side
    613,305.28x = 177,189,334,443.03
  5. Step 5: Solve for x
    x = 177,189,334,443.03/613,305.28
  6. Step 6: Final answer
    x = 288,908.87

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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.