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Finding the Fourth Proportional to 339,673.36, 468,743.98 and 186,708.26

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Solution

The fourth proportional to 339,673.36, 468,743.98 and 186,708.26 is: 257,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,673.36 : 468,743.98 = 186,708.26 : x
  2. Step 2: Convert to fraction form
    339,673.36/468,743.98 = 186,708.26/x
  3. Step 3: Cross multiply
    339,673.36x = 468,743.98 × 186,708.26
  4. Step 4: Simplify right side
    339,673.36x = 87,518,372,891.27
  5. Step 5: Solve for x
    x = 87,518,372,891.27/339,673.36
  6. Step 6: Final answer
    x = 257,654.51

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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.