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Finding the Fourth Proportional to 489,195.70, 733,793.55 and 173,611.60

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Solution

The fourth proportional to 489,195.70, 733,793.55 and 173,611.60 is: 260,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,195.70 : 733,793.55 = 173,611.60 : x
  2. Step 2: Convert to fraction form
    489,195.70/733,793.55 = 173,611.60/x
  3. Step 3: Cross multiply
    489,195.70x = 733,793.55 × 173,611.60
  4. Step 4: Simplify right side
    489,195.70x = 127,395,072,285.18
  5. Step 5: Solve for x
    x = 127,395,072,285.18/489,195.70
  6. Step 6: Final answer
    x = 260,417.40

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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.