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Finding the Fourth Proportional to 339,806.55, 468,892.04 and 186,819.51

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Solution

The fourth proportional to 339,806.55, 468,892.04 and 186,819.51 is: 257,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,806.55 : 468,892.04 = 186,819.51 : x
  2. Step 2: Convert to fraction form
    339,806.55/468,892.04 = 186,819.51/x
  3. Step 3: Cross multiply
    339,806.55x = 468,892.04 × 186,819.51
  4. Step 4: Simplify right side
    339,806.55x = 87,598,180,221.60
  5. Step 5: Solve for x
    x = 87,598,180,221.60/339,806.55
  6. Step 6: Final answer
    x = 257,788.38

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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.