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Finding the Fourth Proportional to 353,654.84, 488,049.90 and 192,514.52

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Solution

The fourth proportional to 353,654.84, 488,049.90 and 192,514.52 is: 265,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,654.84 : 488,049.90 = 192,514.52 : x
  2. Step 2: Convert to fraction form
    353,654.84/488,049.90 = 192,514.52/x
  3. Step 3: Cross multiply
    353,654.84x = 488,049.90 × 192,514.52
  4. Step 4: Simplify right side
    353,654.84x = 93,956,692,234.55
  5. Step 5: Solve for x
    x = 93,956,692,234.55/353,654.84
  6. Step 6: Final answer
    x = 265,673.42

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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.