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Finding the Fourth Proportional to 364,824.45, 547,238.50 and 164,910.78

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Solution

The fourth proportional to 364,824.45, 547,238.50 and 164,910.78 is: 247,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,824.45 : 547,238.50 = 164,910.78 : x
  2. Step 2: Convert to fraction form
    364,824.45/547,238.50 = 164,910.78/x
  3. Step 3: Cross multiply
    364,824.45x = 547,238.50 × 164,910.78
  4. Step 4: Simplify right side
    364,824.45x = 90,245,527,468.75
  5. Step 5: Solve for x
    x = 90,245,527,468.75/364,824.45
  6. Step 6: Final answer
    x = 247,366.99

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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.