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Finding the Fourth Proportional to 361,004.77, 498,167.64 and 197,629.96

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Solution

The fourth proportional to 361,004.77, 498,167.64 and 197,629.96 is: 272,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,004.77 : 498,167.64 = 197,629.96 : x
  2. Step 2: Convert to fraction form
    361,004.77/498,167.64 = 197,629.96/x
  3. Step 3: Cross multiply
    361,004.77x = 498,167.64 × 197,629.96
  4. Step 4: Simplify right side
    361,004.77x = 98,452,850,766.49
  5. Step 5: Solve for x
    x = 98,452,850,766.49/361,004.77
  6. Step 6: Final answer
    x = 272,718.97

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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.