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Finding the Fourth Proportional to 308,900.88, 463,419.36 and 175,843.92

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Solution

The fourth proportional to 308,900.88, 463,419.36 and 175,843.92 is: 263,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,900.88 : 463,419.36 = 175,843.92 : x
  2. Step 2: Convert to fraction form
    308,900.88/463,419.36 = 175,843.92/x
  3. Step 3: Cross multiply
    308,900.88x = 463,419.36 × 175,843.92
  4. Step 4: Simplify right side
    308,900.88x = 81,489,476,866.29
  5. Step 5: Solve for x
    x = 81,489,476,866.29/308,900.88
  6. Step 6: Final answer
    x = 263,804.61

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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.