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Finding the Fourth Proportional to 320,296.67, 441,992.06 and 177,047.49

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Solution

The fourth proportional to 320,296.67, 441,992.06 and 177,047.49 is: 244,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,296.67 : 441,992.06 = 177,047.49 : x
  2. Step 2: Convert to fraction form
    320,296.67/441,992.06 = 177,047.49/x
  3. Step 3: Cross multiply
    320,296.67x = 441,992.06 × 177,047.49
  4. Step 4: Simplify right side
    320,296.67x = 78,253,583,937.69
  5. Step 5: Solve for x
    x = 78,253,583,937.69/320,296.67
  6. Step 6: Final answer
    x = 244,315.95

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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.