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Finding the Fourth Proportional to 339,080.40, 467,952.72 and 188,177.40

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Solution

The fourth proportional to 339,080.40, 467,952.72 and 188,177.40 is: 259,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,080.40 : 467,952.72 = 188,177.40 : x
  2. Step 2: Convert to fraction form
    339,080.40/467,952.72 = 188,177.40/x
  3. Step 3: Cross multiply
    339,080.40x = 467,952.72 × 188,177.40
  4. Step 4: Simplify right side
    339,080.40x = 88,058,126,172.53
  5. Step 5: Solve for x
    x = 88,058,126,172.53/339,080.40
  6. Step 6: Final answer
    x = 259,696.89

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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.