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Finding the Fourth Proportional to 327,150.30, 490,748.76 and 87,262.84

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Solution

The fourth proportional to 327,150.30, 490,748.76 and 87,262.84 is: 130,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,150.30 : 490,748.76 = 87,262.84 : x
  2. Step 2: Convert to fraction form
    327,150.30/490,748.76 = 87,262.84/x
  3. Step 3: Cross multiply
    327,150.30x = 490,748.76 × 87,262.84
  4. Step 4: Simplify right side
    327,150.30x = 42,824,130,524.08
  5. Step 5: Solve for x
    x = 42,824,130,524.08/327,150.30
  6. Step 6: Final answer
    x = 130,900.48

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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.