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Finding the Fourth Proportional to 353,524.43, 487,873.88 and 192,389.69

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Solution

The fourth proportional to 353,524.43, 487,873.88 and 192,389.69 is: 265,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,524.43 : 487,873.88 = 192,389.69 : x
  2. Step 2: Convert to fraction form
    353,524.43/487,873.88 = 192,389.69/x
  3. Step 3: Cross multiply
    353,524.43x = 487,873.88 × 192,389.69
  4. Step 4: Simplify right side
    353,524.43x = 93,861,902,573.90
  5. Step 5: Solve for x
    x = 93,861,902,573.90/353,524.43
  6. Step 6: Final answer
    x = 265,503.30

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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.