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Finding the Fourth Proportional to 444,138.81, 666,462.18 and 187,951.20

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Solution

The fourth proportional to 444,138.81, 666,462.18 and 187,951.20 is: 282,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,138.81 : 666,462.18 = 187,951.20 : x
  2. Step 2: Convert to fraction form
    444,138.81/666,462.18 = 187,951.20/x
  3. Step 3: Cross multiply
    444,138.81x = 666,462.18 × 187,951.20
  4. Step 4: Simplify right side
    444,138.81x = 125,262,366,485.62
  5. Step 5: Solve for x
    x = 125,262,366,485.62/444,138.81
  6. Step 6: Final answer
    x = 282,034.27

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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.