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Finding the Fourth Proportional to 339,433.50, 468,432.82 and 188,530.50

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Solution

The fourth proportional to 339,433.50, 468,432.82 and 188,530.50 is: 260,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,433.50 : 468,432.82 = 188,530.50 : x
  2. Step 2: Convert to fraction form
    339,433.50/468,432.82 = 188,530.50/x
  3. Step 3: Cross multiply
    339,433.50x = 468,432.82 × 188,530.50
  4. Step 4: Simplify right side
    339,433.50x = 88,313,873,771.01
  5. Step 5: Solve for x
    x = 88,313,873,771.01/339,433.50
  6. Step 6: Final answer
    x = 260,180.19

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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.