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Finding the Fourth Proportional to 327,240.86, 490,806.61 and 90,607.46

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Solution

The fourth proportional to 327,240.86, 490,806.61 and 90,607.46 is: 135,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,240.86 : 490,806.61 = 90,607.46 : x
  2. Step 2: Convert to fraction form
    327,240.86/490,806.61 = 90,607.46/x
  3. Step 3: Cross multiply
    327,240.86x = 490,806.61 × 90,607.46
  4. Step 4: Simplify right side
    327,240.86x = 44,470,737,602.76
  5. Step 5: Solve for x
    x = 44,470,737,602.76/327,240.86
  6. Step 6: Final answer
    x = 135,896.04

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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.