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Finding the Fourth Proportional to 489,046.50, 733,572.29 and 222,620.70

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Solution

The fourth proportional to 489,046.50, 733,572.29 and 222,620.70 is: 333,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,046.50 : 733,572.29 = 222,620.70 : x
  2. Step 2: Convert to fraction form
    489,046.50/733,572.29 = 222,620.70/x
  3. Step 3: Cross multiply
    489,046.50x = 733,572.29 × 222,620.70
  4. Step 4: Simplify right side
    489,046.50x = 163,308,376,700.40
  5. Step 5: Solve for x
    x = 163,308,376,700.40/489,046.50
  6. Step 6: Final answer
    x = 333,932.21

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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.