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Finding the Fourth Proportional to 320,169.52, 441,842.80 and 176,938.56

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Solution

The fourth proportional to 320,169.52, 441,842.80 and 176,938.56 is: 244,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,169.52 : 441,842.80 = 176,938.56 : x
  2. Step 2: Convert to fraction form
    320,169.52/441,842.80 = 176,938.56/x
  3. Step 3: Cross multiply
    320,169.52x = 441,842.80 × 176,938.56
  4. Step 4: Simplify right side
    320,169.52x = 78,179,028,778.37
  5. Step 5: Solve for x
    x = 78,179,028,778.37/320,169.52
  6. Step 6: Final answer
    x = 244,180.11

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1.5x scale

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.