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Finding the Fourth Proportional to 548,483.06, 822,623.70 and 248,891.60

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Solution

The fourth proportional to 548,483.06, 822,623.70 and 248,891.60 is: 373,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,483.06 : 822,623.70 = 248,891.60 : x
  2. Step 2: Convert to fraction form
    548,483.06/822,623.70 = 248,891.60/x
  3. Step 3: Cross multiply
    548,483.06x = 822,623.70 × 248,891.60
  4. Step 4: Simplify right side
    548,483.06x = 204,744,128,890.92
  5. Step 5: Solve for x
    x = 204,744,128,890.92/548,483.06
  6. Step 6: Final answer
    x = 373,291.62

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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.