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Finding the Fourth Proportional to 329,906.60, 455,276.40 and 179,003.60

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Solution

The fourth proportional to 329,906.60, 455,276.40 and 179,003.60 is: 247,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,906.60 : 455,276.40 = 179,003.60 : x
  2. Step 2: Convert to fraction form
    329,906.60/455,276.40 = 179,003.60/x
  3. Step 3: Cross multiply
    329,906.60x = 455,276.40 × 179,003.60
  4. Step 4: Simplify right side
    329,906.60x = 81,496,114,595.04
  5. Step 5: Solve for x
    x = 81,496,114,595.04/329,906.60
  6. Step 6: Final answer
    x = 247,027.84

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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.