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Finding the Fourth Proportional to 353,541.92, 487,896.77 and 192,405.88

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Solution

The fourth proportional to 353,541.92, 487,896.77 and 192,405.88 is: 265,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,541.92 : 487,896.77 = 192,405.88 : x
  2. Step 2: Convert to fraction form
    353,541.92/487,896.77 = 192,405.88/x
  3. Step 3: Cross multiply
    353,541.92x = 487,896.77 × 192,405.88
  4. Step 4: Simplify right side
    353,541.92x = 93,874,207,389.61
  5. Step 5: Solve for x
    x = 93,874,207,389.61/353,541.92
  6. Step 6: Final answer
    x = 265,524.97

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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.