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Finding the Fourth Proportional to 327,117.60, 490,822.20 and 149,533.20

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Solution

The fourth proportional to 327,117.60, 490,822.20 and 149,533.20 is: 224,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,117.60 : 490,822.20 = 149,533.20 : x
  2. Step 2: Convert to fraction form
    327,117.60/490,822.20 = 149,533.20/x
  3. Step 3: Cross multiply
    327,117.60x = 490,822.20 × 149,533.20
  4. Step 4: Simplify right side
    327,117.60x = 73,394,214,197.04
  5. Step 5: Solve for x
    x = 73,394,214,197.04/327,117.60
  6. Step 6: Final answer
    x = 224,366.45

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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.