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Finding the Fourth Proportional to 339,793.11, 468,926.53 and 186,842.95

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Solution

The fourth proportional to 339,793.11, 468,926.53 and 186,842.95 is: 257,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,793.11 : 468,926.53 = 186,842.95 : x
  2. Step 2: Convert to fraction form
    339,793.11/468,926.53 = 186,842.95/x
  3. Step 3: Cross multiply
    339,793.11x = 468,926.53 × 186,842.95
  4. Step 4: Simplify right side
    339,793.11x = 87,615,614,559.04
  5. Step 5: Solve for x
    x = 87,615,614,559.04/339,793.11
  6. Step 6: Final answer
    x = 257,849.89

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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.