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Finding the Fourth Proportional to 521,773.54, 782,340.46 and 222,083.46

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Solution

The fourth proportional to 521,773.54, 782,340.46 and 222,083.46 is: 332,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,773.54 : 782,340.46 = 222,083.46 : x
  2. Step 2: Convert to fraction form
    521,773.54/782,340.46 = 222,083.46/x
  3. Step 3: Cross multiply
    521,773.54x = 782,340.46 × 222,083.46
  4. Step 4: Simplify right side
    521,773.54x = 173,744,875,699.58
  5. Step 5: Solve for x
    x = 173,744,875,699.58/521,773.54
  6. Step 6: Final answer
    x = 332,989.05

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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.