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Finding the Fourth Proportional to 339,342.50, 468,298.28 and 186,394.83

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Solution

The fourth proportional to 339,342.50, 468,298.28 and 186,394.83 is: 257,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,342.50 : 468,298.28 = 186,394.83 : x
  2. Step 2: Convert to fraction form
    339,342.50/468,298.28 = 186,394.83/x
  3. Step 3: Cross multiply
    339,342.50x = 468,298.28 × 186,394.83
  4. Step 4: Simplify right side
    339,342.50x = 87,288,375,948.40
  5. Step 5: Solve for x
    x = 87,288,375,948.40/339,342.50
  6. Step 6: Final answer
    x = 257,227.95

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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.