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Finding the Fourth Proportional to 489,229.32, 733,912.02 and 173,611.20

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Solution

The fourth proportional to 489,229.32, 733,912.02 and 173,611.20 is: 260,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,229.32 : 733,912.02 = 173,611.20 : x
  2. Step 2: Convert to fraction form
    489,229.32/733,912.02 = 173,611.20/x
  3. Step 3: Cross multiply
    489,229.32x = 733,912.02 × 173,611.20
  4. Step 4: Simplify right side
    489,229.32x = 127,415,346,486.62
  5. Step 5: Solve for x
    x = 127,415,346,486.62/489,229.32
  6. Step 6: Final answer
    x = 260,440.95

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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.