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Finding the Fourth Proportional to 393,677.55, 589,628.51 and 182,871.87

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Solution

The fourth proportional to 393,677.55, 589,628.51 and 182,871.87 is: 273,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,677.55 : 589,628.51 = 182,871.87 : x
  2. Step 2: Convert to fraction form
    393,677.55/589,628.51 = 182,871.87/x
  3. Step 3: Cross multiply
    393,677.55x = 589,628.51 × 182,871.87
  4. Step 4: Simplify right side
    393,677.55x = 107,826,469,245.91
  5. Step 5: Solve for x
    x = 107,826,469,245.91/393,677.55
  6. Step 6: Final answer
    x = 273,895.40

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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.