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Finding the Fourth Proportional to 329,574.60, 454,745.88 and 193,630.68

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Solution

The fourth proportional to 329,574.60, 454,745.88 and 193,630.68 is: 267,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,574.60 : 454,745.88 = 193,630.68 : x
  2. Step 2: Convert to fraction form
    329,574.60/454,745.88 = 193,630.68/x
  3. Step 3: Cross multiply
    329,574.60x = 454,745.88 × 193,630.68
  4. Step 4: Simplify right side
    329,574.60x = 88,052,753,971.60
  5. Step 5: Solve for x
    x = 88,052,753,971.60/329,574.60
  6. Step 6: Final answer
    x = 267,170.93

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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.