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Finding the Fourth Proportional to 329,490.96, 454,692.60 and 186,245.97

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Solution

The fourth proportional to 329,490.96, 454,692.60 and 186,245.97 is: 257,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,490.96 : 454,692.60 = 186,245.97 : x
  2. Step 2: Convert to fraction form
    329,490.96/454,692.60 = 186,245.97/x
  3. Step 3: Cross multiply
    329,490.96x = 454,692.60 × 186,245.97
  4. Step 4: Simplify right side
    329,490.96x = 84,684,664,338.82
  5. Step 5: Solve for x
    x = 84,684,664,338.82/329,490.96
  6. Step 6: Final answer
    x = 257,016.65

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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.