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Finding the Fourth Proportional to 488,768.40, 733,371.30 and 222,391.80

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Solution

The fourth proportional to 488,768.40, 733,371.30 and 222,391.80 is: 333,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,768.40 : 733,371.30 = 222,391.80 : x
  2. Step 2: Convert to fraction form
    488,768.40/733,371.30 = 222,391.80/x
  3. Step 3: Cross multiply
    488,768.40x = 733,371.30 × 222,391.80
  4. Step 4: Simplify right side
    488,768.40x = 163,095,763,475.34
  5. Step 5: Solve for x
    x = 163,095,763,475.34/488,768.40
  6. Step 6: Final answer
    x = 333,687.21

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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.