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Finding the Fourth Proportional to 353,788.83, 488,215.62 and 192,639.87

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Solution

The fourth proportional to 353,788.83, 488,215.62 and 192,639.87 is: 265,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,788.83 : 488,215.62 = 192,639.87 : x
  2. Step 2: Convert to fraction form
    353,788.83/488,215.62 = 192,639.87/x
  3. Step 3: Cross multiply
    353,788.83x = 488,215.62 × 192,639.87
  4. Step 4: Simplify right side
    353,788.83x = 94,049,793,568.77
  5. Step 5: Solve for x
    x = 94,049,793,568.77/353,788.83
  6. Step 6: Final answer
    x = 265,835.96

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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.