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Finding the Fourth Proportional to 540,906.55, 746,400.95 and 299,183.92

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Solution

The fourth proportional to 540,906.55, 746,400.95 and 299,183.92 is: 412,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,906.55 : 746,400.95 = 299,183.92 : x
  2. Step 2: Convert to fraction form
    540,906.55/746,400.95 = 299,183.92/x
  3. Step 3: Cross multiply
    540,906.55x = 746,400.95 × 299,183.92
  4. Step 4: Simplify right side
    540,906.55x = 223,311,160,616.80
  5. Step 5: Solve for x
    x = 223,311,160,616.80/540,906.55
  6. Step 6: Final answer
    x = 412,846.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.