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Finding the Fourth Proportional to 339,766.05, 468,877.44 and 186,806.87

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Solution

The fourth proportional to 339,766.05, 468,877.44 and 186,806.87 is: 257,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,766.05 : 468,877.44 = 186,806.87 : x
  2. Step 2: Convert to fraction form
    339,766.05/468,877.44 = 186,806.87/x
  3. Step 3: Cross multiply
    339,766.05x = 468,877.44 × 186,806.87
  4. Step 4: Simplify right side
    339,766.05x = 87,589,526,980.01
  5. Step 5: Solve for x
    x = 87,589,526,980.01/339,766.05
  6. Step 6: Final answer
    x = 257,793.64

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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.