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Finding the Fourth Proportional to 444,499.96, 666,783.96 and 191,786.44

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Solution

The fourth proportional to 444,499.96, 666,783.96 and 191,786.44 is: 287,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,499.96 : 666,783.96 = 191,786.44 : x
  2. Step 2: Convert to fraction form
    444,499.96/666,783.96 = 191,786.44/x
  3. Step 3: Cross multiply
    444,499.96x = 666,783.96 × 191,786.44
  4. Step 4: Simplify right side
    444,499.96x = 127,880,121,937.50
  5. Step 5: Solve for x
    x = 127,880,121,937.50/444,499.96
  6. Step 6: Final answer
    x = 287,694.34

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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.