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Finding the Fourth Proportional to 339,262.60, 468,164.10 and 188,349.88

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Solution

The fourth proportional to 339,262.60, 468,164.10 and 188,349.88 is: 259,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,262.60 : 468,164.10 = 188,349.88 : x
  2. Step 2: Convert to fraction form
    339,262.60/468,164.10 = 188,349.88/x
  3. Step 3: Cross multiply
    339,262.60x = 468,164.10 × 188,349.88
  4. Step 4: Simplify right side
    339,262.60x = 88,178,652,055.31
  5. Step 5: Solve for x
    x = 88,178,652,055.31/339,262.60
  6. Step 6: Final answer
    x = 259,912.68

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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.