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Finding the Fourth Proportional to 521,774.54, 782,341.96 and 222,084.46

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Solution

The fourth proportional to 521,774.54, 782,341.96 and 222,084.46 is: 332,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,774.54 : 782,341.96 = 222,084.46 : x
  2. Step 2: Convert to fraction form
    521,774.54/782,341.96 = 222,084.46/x
  3. Step 3: Cross multiply
    521,774.54x = 782,341.96 × 222,084.46
  4. Step 4: Simplify right side
    521,774.54x = 173,745,991,721.94
  5. Step 5: Solve for x
    x = 173,745,991,721.94/521,774.54
  6. Step 6: Final answer
    x = 332,990.55

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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.