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Finding the Fourth Proportional to 339,792.86, 468,926.18 and 186,842.70

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Solution

The fourth proportional to 339,792.86, 468,926.18 and 186,842.70 is: 257,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,792.86 : 468,926.18 = 186,842.70 : x
  2. Step 2: Convert to fraction form
    339,792.86/468,926.18 = 186,842.70/x
  3. Step 3: Cross multiply
    339,792.86x = 468,926.18 × 186,842.70
  4. Step 4: Simplify right side
    339,792.86x = 87,615,433,571.89
  5. Step 5: Solve for x
    x = 87,615,433,571.89/339,792.86
  6. Step 6: Final answer
    x = 257,849.54

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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.