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Finding the Fourth Proportional to 449,951.50, 620,946.04 and 248,760.46

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Solution

The fourth proportional to 449,951.50, 620,946.04 and 248,760.46 is: 343,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,951.50 : 620,946.04 = 248,760.46 : x
  2. Step 2: Convert to fraction form
    449,951.50/620,946.04 = 248,760.46/x
  3. Step 3: Cross multiply
    449,951.50x = 620,946.04 × 248,760.46
  4. Step 4: Simplify right side
    449,951.50x = 154,466,822,545.58
  5. Step 5: Solve for x
    x = 154,466,822,545.58/449,951.50
  6. Step 6: Final answer
    x = 343,296.61

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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.