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Finding the Fourth Proportional to 353,762.78, 488,201.38 and 192,626.64

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Solution

The fourth proportional to 353,762.78, 488,201.38 and 192,626.64 is: 265,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,762.78 : 488,201.38 = 192,626.64 : x
  2. Step 2: Convert to fraction form
    353,762.78/488,201.38 = 192,626.64/x
  3. Step 3: Cross multiply
    353,762.78x = 488,201.38 × 192,626.64
  4. Step 4: Simplify right side
    353,762.78x = 94,040,591,472.76
  5. Step 5: Solve for x
    x = 94,040,591,472.76/353,762.78
  6. Step 6: Final answer
    x = 265,829.52

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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.