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Finding the Fourth Proportional to 353,659.77, 488,045.45 and 192,516.14

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Solution

The fourth proportional to 353,659.77, 488,045.45 and 192,516.14 is: 265,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,659.77 : 488,045.45 = 192,516.14 : x
  2. Step 2: Convert to fraction form
    353,659.77/488,045.45 = 192,516.14/x
  3. Step 3: Cross multiply
    353,659.77x = 488,045.45 × 192,516.14
  4. Step 4: Simplify right side
    353,659.77x = 93,956,627,879.97
  5. Step 5: Solve for x
    x = 93,956,627,879.97/353,659.77
  6. Step 6: Final answer
    x = 265,669.54

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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.