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Finding the Fourth Proportional to 339,796.18, 468,908.76 and 186,834.22

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Solution

The fourth proportional to 339,796.18, 468,908.76 and 186,834.22 is: 257,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,796.18 : 468,908.76 = 186,834.22 : x
  2. Step 2: Convert to fraction form
    339,796.18/468,908.76 = 186,834.22/x
  3. Step 3: Cross multiply
    339,796.18x = 468,908.76 × 186,834.22
  4. Step 4: Simplify right side
    339,796.18x = 87,608,202,425.77
  5. Step 5: Solve for x
    x = 87,608,202,425.77/339,796.18
  6. Step 6: Final answer
    x = 257,825.74

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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.