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Finding the Fourth Proportional to 330,297.40, 455,793.40 and 179,394.04

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Solution

The fourth proportional to 330,297.40, 455,793.40 and 179,394.04 is: 247,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,297.40 : 455,793.40 = 179,394.04 : x
  2. Step 2: Convert to fraction form
    330,297.40/455,793.40 = 179,394.04/x
  3. Step 3: Cross multiply
    330,297.40x = 455,793.40 × 179,394.04
  4. Step 4: Simplify right side
    330,297.40x = 81,766,619,431.34
  5. Step 5: Solve for x
    x = 81,766,619,431.34/330,297.40
  6. Step 6: Final answer
    x = 247,554.54

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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.