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Finding the Fourth Proportional to 351,573.84, 485,171.01 and 190,429.29

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Solution

The fourth proportional to 351,573.84, 485,171.01 and 190,429.29 is: 262,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,573.84 : 485,171.01 = 190,429.29 : x
  2. Step 2: Convert to fraction form
    351,573.84/485,171.01 = 190,429.29/x
  3. Step 3: Cross multiply
    351,573.84x = 485,171.01 × 190,429.29
  4. Step 4: Simplify right side
    351,573.84x = 92,390,770,962.88
  5. Step 5: Solve for x
    x = 92,390,770,962.88/351,573.84
  6. Step 6: Final answer
    x = 262,791.94

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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.