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Finding the Fourth Proportional to 353,647.59, 488,039.90 and 192,507.27

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Solution

The fourth proportional to 353,647.59, 488,039.90 and 192,507.27 is: 265,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,647.59 : 488,039.90 = 192,507.27 : x
  2. Step 2: Convert to fraction form
    353,647.59/488,039.90 = 192,507.27/x
  3. Step 3: Cross multiply
    353,647.59x = 488,039.90 × 192,507.27
  4. Step 4: Simplify right side
    353,647.59x = 93,951,227,837.54
  5. Step 5: Solve for x
    x = 93,951,227,837.54/353,647.59
  6. Step 6: Final answer
    x = 265,663.42

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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.