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Finding the Fourth Proportional to 361,775.16, 499,216.76 and 200,629.71

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Solution

The fourth proportional to 361,775.16, 499,216.76 and 200,629.71 is: 276,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,775.16 : 499,216.76 = 200,629.71 : x
  2. Step 2: Convert to fraction form
    361,775.16/499,216.76 = 200,629.71/x
  3. Step 3: Cross multiply
    361,775.16x = 499,216.76 × 200,629.71
  4. Step 4: Simplify right side
    361,775.16x = 100,157,713,785.94
  5. Step 5: Solve for x
    x = 100,157,713,785.94/361,775.16
  6. Step 6: Final answer
    x = 276,850.72

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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.