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Finding the Fourth Proportional to 322,430.68, 444,943.68 and 177,236.95

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Solution

The fourth proportional to 322,430.68, 444,943.68 and 177,236.95 is: 244,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,430.68 : 444,943.68 = 177,236.95 : x
  2. Step 2: Convert to fraction form
    322,430.68/444,943.68 = 177,236.95/x
  3. Step 3: Cross multiply
    322,430.68x = 444,943.68 × 177,236.95
  4. Step 4: Simplify right side
    322,430.68x = 78,860,460,764.98
  5. Step 5: Solve for x
    x = 78,860,460,764.98/322,430.68
  6. Step 6: Final answer
    x = 244,581.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.