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Finding the Fourth Proportional to 481,392.46, 664,342.36 and 266,532.53

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Solution

The fourth proportional to 481,392.46, 664,342.36 and 266,532.53 is: 367,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,392.46 : 664,342.36 = 266,532.53 : x
  2. Step 2: Convert to fraction form
    481,392.46/664,342.36 = 266,532.53/x
  3. Step 3: Cross multiply
    481,392.46x = 664,342.36 × 266,532.53
  4. Step 4: Simplify right side
    481,392.46x = 177,068,848,500.21
  5. Step 5: Solve for x
    x = 177,068,848,500.21/481,392.46
  6. Step 6: Final answer
    x = 367,826.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.