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Finding the Fourth Proportional to 489,076.57, 733,617.29 and 222,650.70

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Solution

The fourth proportional to 489,076.57, 733,617.29 and 222,650.70 is: 333,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,076.57 : 733,617.29 = 222,650.70 : x
  2. Step 2: Convert to fraction form
    489,076.57/733,617.29 = 222,650.70/x
  3. Step 3: Cross multiply
    489,076.57x = 733,617.29 × 222,650.70
  4. Step 4: Simplify right side
    489,076.57x = 163,340,403,150.60
  5. Step 5: Solve for x
    x = 163,340,403,150.60/489,076.57
  6. Step 6: Final answer
    x = 333,977.16

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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.