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Finding the Fourth Proportional to 444,630.28, 666,955.32 and 160,343.78

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Solution

The fourth proportional to 444,630.28, 666,955.32 and 160,343.78 is: 240,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,630.28 : 666,955.32 = 160,343.78 : x
  2. Step 2: Convert to fraction form
    444,630.28/666,955.32 = 160,343.78/x
  3. Step 3: Cross multiply
    444,630.28x = 666,955.32 × 160,343.78
  4. Step 4: Simplify right side
    444,630.28x = 106,942,137,099.91
  5. Step 5: Solve for x
    x = 106,942,137,099.91/444,630.28
  6. Step 6: Final answer
    x = 240,519.24

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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.