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Finding the Fourth Proportional to 353,696.32, 488,085.92 and 192,548

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Solution

The fourth proportional to 353,696.32, 488,085.92 and 192,548 is: 265,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,696.32 : 488,085.92 = 192,548 : x
  2. Step 2: Convert to fraction form
    353,696.32/488,085.92 = 192,548/x
  3. Step 3: Cross multiply
    353,696.32x = 488,085.92 × 192,548
  4. Step 4: Simplify right side
    353,696.32x = 93,979,967,724.16
  5. Step 5: Solve for x
    x = 93,979,967,724.16/353,696.32
  6. Step 6: Final answer
    x = 265,708.07

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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.