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Finding the Fourth Proportional to 339,732.66, 468,836.85 and 186,777.23

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Solution

The fourth proportional to 339,732.66, 468,836.85 and 186,777.23 is: 257,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,732.66 : 468,836.85 = 186,777.23 : x
  2. Step 2: Convert to fraction form
    339,732.66/468,836.85 = 186,777.23/x
  3. Step 3: Cross multiply
    339,732.66x = 468,836.85 × 186,777.23
  4. Step 4: Simplify right side
    339,732.66x = 87,568,045,820.74
  5. Step 5: Solve for x
    x = 87,568,045,820.74/339,732.66
  6. Step 6: Final answer
    x = 257,755.75

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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.