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Finding the Fourth Proportional to 320,229.88, 441,940.11 and 176,986.84

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Solution

The fourth proportional to 320,229.88, 441,940.11 and 176,986.84 is: 244,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,229.88 : 441,940.11 = 176,986.84 : x
  2. Step 2: Convert to fraction form
    320,229.88/441,940.11 = 176,986.84/x
  3. Step 3: Cross multiply
    320,229.88x = 441,940.11 × 176,986.84
  4. Step 4: Simplify right side
    320,229.88x = 78,217,583,538.15
  5. Step 5: Solve for x
    x = 78,217,583,538.15/320,229.88
  6. Step 6: Final answer
    x = 244,254.48

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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.