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Finding the Fourth Proportional to 339,777.36, 468,882.81 and 186,815.39

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Solution

The fourth proportional to 339,777.36, 468,882.81 and 186,815.39 is: 257,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,777.36 : 468,882.81 = 186,815.39 : x
  2. Step 2: Convert to fraction form
    339,777.36/468,882.81 = 186,815.39/x
  3. Step 3: Cross multiply
    339,777.36x = 468,882.81 × 186,815.39
  4. Step 4: Simplify right side
    339,777.36x = 87,594,522,670.03
  5. Step 5: Solve for x
    x = 87,594,522,670.03/339,777.36
  6. Step 6: Final answer
    x = 257,799.76

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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.