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Finding the Fourth Proportional to 327,343.86, 490,750.68 and 147,297.06

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Solution

The fourth proportional to 327,343.86, 490,750.68 and 147,297.06 is: 220,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,343.86 : 490,750.68 = 147,297.06 : x
  2. Step 2: Convert to fraction form
    327,343.86/490,750.68 = 147,297.06/x
  3. Step 3: Cross multiply
    327,343.86x = 490,750.68 × 147,297.06
  4. Step 4: Simplify right side
    327,343.86x = 72,286,132,357.00
  5. Step 5: Solve for x
    x = 72,286,132,357.00/327,343.86
  6. Step 6: Final answer
    x = 220,826.30

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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.