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Finding the Fourth Proportional to 444,239.82, 666,359.18 and 144,719.90

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Solution

The fourth proportional to 444,239.82, 666,359.18 and 144,719.90 is: 217,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,239.82 : 666,359.18 = 144,719.90 : x
  2. Step 2: Convert to fraction form
    444,239.82/666,359.18 = 144,719.90/x
  3. Step 3: Cross multiply
    444,239.82x = 666,359.18 × 144,719.90
  4. Step 4: Simplify right side
    444,239.82x = 96,435,433,893.68
  5. Step 5: Solve for x
    x = 96,435,433,893.68/444,239.82
  6. Step 6: Final answer
    x = 217,079.67

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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.