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Finding the Fourth Proportional to 327,487.05, 491,074.98 and 114,229.05

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Solution

The fourth proportional to 327,487.05, 491,074.98 and 114,229.05 is: 171,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,487.05 : 491,074.98 = 114,229.05 : x
  2. Step 2: Convert to fraction form
    327,487.05/491,074.98 = 114,229.05/x
  3. Step 3: Cross multiply
    327,487.05x = 491,074.98 × 114,229.05
  4. Step 4: Simplify right side
    327,487.05x = 56,095,028,444.17
  5. Step 5: Solve for x
    x = 56,095,028,444.17/327,487.05
  6. Step 6: Final answer
    x = 171,289.30

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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.