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Finding the Fourth Proportional to 339,750.31, 468,855.72 and 186,791.10

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Solution

The fourth proportional to 339,750.31, 468,855.72 and 186,791.10 is: 257,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,750.31 : 468,855.72 = 186,791.10 : x
  2. Step 2: Convert to fraction form
    339,750.31/468,855.72 = 186,791.10/x
  3. Step 3: Cross multiply
    339,750.31x = 468,855.72 × 186,791.10
  4. Step 4: Simplify right side
    339,750.31x = 87,578,075,680.09
  5. Step 5: Solve for x
    x = 87,578,075,680.09/339,750.31
  6. Step 6: Final answer
    x = 257,771.88

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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.