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Finding the Fourth Proportional to 339,462.37, 468,458.22 and 186,510.43

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Solution

The fourth proportional to 339,462.37, 468,458.22 and 186,510.43 is: 257,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,462.37 : 468,458.22 = 186,510.43 : x
  2. Step 2: Convert to fraction form
    339,462.37/468,458.22 = 186,510.43/x
  3. Step 3: Cross multiply
    339,462.37x = 468,458.22 × 186,510.43
  4. Step 4: Simplify right side
    339,462.37x = 87,372,344,049.23
  5. Step 5: Solve for x
    x = 87,372,344,049.23/339,462.37
  6. Step 6: Final answer
    x = 257,384.48

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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.