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Finding the Fourth Proportional to 353,680.30, 488,063.88 and 192,532

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Solution

The fourth proportional to 353,680.30, 488,063.88 and 192,532 is: 265,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,680.30 : 488,063.88 = 192,532 : x
  2. Step 2: Convert to fraction form
    353,680.30/488,063.88 = 192,532/x
  3. Step 3: Cross multiply
    353,680.30x = 488,063.88 × 192,532
  4. Step 4: Simplify right side
    353,680.30x = 93,967,914,944.16
  5. Step 5: Solve for x
    x = 93,967,914,944.16/353,680.30
  6. Step 6: Final answer
    x = 265,686.03

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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.