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Finding the Fourth Proportional to 339,806.52, 468,934.74 and 186,854.49

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Solution

The fourth proportional to 339,806.52, 468,934.74 and 186,854.49 is: 257,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,806.52 : 468,934.74 = 186,854.49 : x
  2. Step 2: Convert to fraction form
    339,806.52/468,934.74 = 186,854.49/x
  3. Step 3: Cross multiply
    339,806.52x = 468,934.74 × 186,854.49
  4. Step 4: Simplify right side
    339,806.52x = 87,622,561,685.98
  5. Step 5: Solve for x
    x = 87,622,561,685.98/339,806.52
  6. Step 6: Final answer
    x = 257,860.15

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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.