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Finding the Fourth Proportional to 417,891.36, 576,673.89 and 226,900.38

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Solution

The fourth proportional to 417,891.36, 576,673.89 and 226,900.38 is: 313,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,891.36 : 576,673.89 = 226,900.38 : x
  2. Step 2: Convert to fraction form
    417,891.36/576,673.89 = 226,900.38/x
  3. Step 3: Cross multiply
    417,891.36x = 576,673.89 × 226,900.38
  4. Step 4: Simplify right side
    417,891.36x = 130,847,524,777.08
  5. Step 5: Solve for x
    x = 130,847,524,777.08/417,891.36
  6. Step 6: Final answer
    x = 313,113.74

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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.