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Finding the Fourth Proportional to 540,906.24, 746,400.51 and 299,183.61

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Solution

The fourth proportional to 540,906.24, 746,400.51 and 299,183.61 is: 412,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,906.24 : 746,400.51 = 299,183.61 : x
  2. Step 2: Convert to fraction form
    540,906.24/746,400.51 = 299,183.61/x
  3. Step 3: Cross multiply
    540,906.24x = 746,400.51 × 299,183.61
  4. Step 4: Simplify right side
    540,906.24x = 223,310,797,410.58
  5. Step 5: Solve for x
    x = 223,310,797,410.58/540,906.24
  6. Step 6: Final answer
    x = 412,845.67

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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.