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Finding the Fourth Proportional to 339,634.08, 468,677.91 and 188,727.84

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Solution

The fourth proportional to 339,634.08, 468,677.91 and 188,727.84 is: 260,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,634.08 : 468,677.91 = 188,727.84 : x
  2. Step 2: Convert to fraction form
    339,634.08/468,677.91 = 188,727.84/x
  3. Step 3: Cross multiply
    339,634.08x = 468,677.91 × 188,727.84
  4. Step 4: Simplify right side
    339,634.08x = 88,452,569,610.01
  5. Step 5: Solve for x
    x = 88,452,569,610.01/339,634.08
  6. Step 6: Final answer
    x = 260,434.91

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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.