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Finding the Fourth Proportional to 334,304.15, 501,454.40 and 109,662.80

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Solution

The fourth proportional to 334,304.15, 501,454.40 and 109,662.80 is: 164,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,304.15 : 501,454.40 = 109,662.80 : x
  2. Step 2: Convert to fraction form
    334,304.15/501,454.40 = 109,662.80/x
  3. Step 3: Cross multiply
    334,304.15x = 501,454.40 × 109,662.80
  4. Step 4: Simplify right side
    334,304.15x = 54,990,890,520.73
  5. Step 5: Solve for x
    x = 54,990,890,520.73/334,304.15
  6. Step 6: Final answer
    x = 164,493.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.