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Finding the Fourth Proportional to 489,046.38, 733,572.10 and 222,620.57

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Solution

The fourth proportional to 489,046.38, 733,572.10 and 222,620.57 is: 333,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,046.38 : 733,572.10 = 222,620.57 : x
  2. Step 2: Convert to fraction form
    489,046.38/733,572.10 = 222,620.57/x
  3. Step 3: Cross multiply
    489,046.38x = 733,572.10 × 222,620.57
  4. Step 4: Simplify right side
    489,046.38x = 163,308,239,038.10
  5. Step 5: Solve for x
    x = 163,308,239,038.10/489,046.38
  6. Step 6: Final answer
    x = 333,932.01

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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.