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Finding the Fourth Proportional to 444,270.77, 665,802.29 and 187,890.21

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Solution

The fourth proportional to 444,270.77, 665,802.29 and 187,890.21 is: 281,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,270.77 : 665,802.29 = 187,890.21 : x
  2. Step 2: Convert to fraction form
    444,270.77/665,802.29 = 187,890.21/x
  3. Step 3: Cross multiply
    444,270.77x = 665,802.29 × 187,890.21
  4. Step 4: Simplify right side
    444,270.77x = 125,097,728,757.57
  5. Step 5: Solve for x
    x = 125,097,728,757.57/444,270.77
  6. Step 6: Final answer
    x = 281,579.93

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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.