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Finding the Fourth Proportional to 444,977.28, 666,299.52 and 305,009.28

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Solution

The fourth proportional to 444,977.28, 666,299.52 and 305,009.28 is: 456,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,977.28 : 666,299.52 = 305,009.28 : x
  2. Step 2: Convert to fraction form
    444,977.28/666,299.52 = 305,009.28/x
  3. Step 3: Cross multiply
    444,977.28x = 666,299.52 × 305,009.28
  4. Step 4: Simplify right side
    444,977.28x = 203,227,536,859.55
  5. Step 5: Solve for x
    x = 203,227,536,859.55/444,977.28
  6. Step 6: Final answer
    x = 456,714.41

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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.