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Finding the Fourth Proportional to 363,871.28, 545,912.16 and 150,599.77

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Solution

The fourth proportional to 363,871.28, 545,912.16 and 150,599.77 is: 225,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,871.28 : 545,912.16 = 150,599.77 : x
  2. Step 2: Convert to fraction form
    363,871.28/545,912.16 = 150,599.77/x
  3. Step 3: Cross multiply
    363,871.28x = 545,912.16 × 150,599.77
  4. Step 4: Simplify right side
    363,871.28x = 82,214,243,806.67
  5. Step 5: Solve for x
    x = 82,214,243,806.67/363,871.28
  6. Step 6: Final answer
    x = 225,943.21

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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.