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Finding the Fourth Proportional to 327,438.77, 491,239.88 and 114,209.73

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Solution

The fourth proportional to 327,438.77, 491,239.88 and 114,209.73 is: 171,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,438.77 : 491,239.88 = 114,209.73 : x
  2. Step 2: Convert to fraction form
    327,438.77/491,239.88 = 114,209.73/x
  3. Step 3: Cross multiply
    327,438.77x = 491,239.88 × 114,209.73
  4. Step 4: Simplify right side
    327,438.77x = 56,104,373,488.98
  5. Step 5: Solve for x
    x = 56,104,373,488.98/327,438.77
  6. Step 6: Final answer
    x = 171,343.10

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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.