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Finding the Fourth Proportional to 353,597.52, 487,976.55 and 192,458.41

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Solution

The fourth proportional to 353,597.52, 487,976.55 and 192,458.41 is: 265,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,597.52 : 487,976.55 = 192,458.41 : x
  2. Step 2: Convert to fraction form
    353,597.52/487,976.55 = 192,458.41/x
  3. Step 3: Cross multiply
    353,597.52x = 487,976.55 × 192,458.41
  4. Step 4: Simplify right side
    353,597.52x = 93,915,190,930.29
  5. Step 5: Solve for x
    x = 93,915,190,930.29/353,597.52
  6. Step 6: Final answer
    x = 265,599.12

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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.