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Finding the Fourth Proportional to 470,964.28, 649,910.92 and 267,028.92

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Solution

The fourth proportional to 470,964.28, 649,910.92 and 267,028.92 is: 368,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,964.28 : 649,910.92 = 267,028.92 : x
  2. Step 2: Convert to fraction form
    470,964.28/649,910.92 = 267,028.92/x
  3. Step 3: Cross multiply
    470,964.28x = 649,910.92 × 267,028.92
  4. Step 4: Simplify right side
    470,964.28x = 173,545,011,063.81
  5. Step 5: Solve for x
    x = 173,545,011,063.81/470,964.28
  6. Step 6: Final answer
    x = 368,488.69

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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.