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Finding the Fourth Proportional to 444,076.56, 666,213.12 and 207,289.92

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Solution

The fourth proportional to 444,076.56, 666,213.12 and 207,289.92 is: 310,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,076.56 : 666,213.12 = 207,289.92 : x
  2. Step 2: Convert to fraction form
    444,076.56/666,213.12 = 207,289.92/x
  3. Step 3: Cross multiply
    444,076.56x = 666,213.12 × 207,289.92
  4. Step 4: Simplify right side
    444,076.56x = 138,099,264,347.75
  5. Step 5: Solve for x
    x = 138,099,264,347.75/444,076.56
  6. Step 6: Final answer
    x = 310,980.76

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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.