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Finding the Fourth Proportional to 327,294.18, 490,936.33 and 147,252.46

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Solution

The fourth proportional to 327,294.18, 490,936.33 and 147,252.46 is: 220,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,294.18 : 490,936.33 = 147,252.46 : x
  2. Step 2: Convert to fraction form
    327,294.18/490,936.33 = 147,252.46/x
  3. Step 3: Cross multiply
    327,294.18x = 490,936.33 × 147,252.46
  4. Step 4: Simplify right side
    327,294.18x = 72,291,582,295.87
  5. Step 5: Solve for x
    x = 72,291,582,295.87/327,294.18
  6. Step 6: Final answer
    x = 220,876.47

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1.5x scale

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.