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Finding the Fourth Proportional to 308,380.58, 462,573.09 and 108,704.64

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Solution

The fourth proportional to 308,380.58, 462,573.09 and 108,704.64 is: 163,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,380.58 : 462,573.09 = 108,704.64 : x
  2. Step 2: Convert to fraction form
    308,380.58/462,573.09 = 108,704.64/x
  3. Step 3: Cross multiply
    308,380.58x = 462,573.09 × 108,704.64
  4. Step 4: Simplify right side
    308,380.58x = 50,283,841,222.14
  5. Step 5: Solve for x
    x = 50,283,841,222.14/308,380.58
  6. Step 6: Final answer
    x = 163,057.75

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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.