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Finding the Fourth Proportional to 470,991.45, 649,982.82 and 267,050.97

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Solution

The fourth proportional to 470,991.45, 649,982.82 and 267,050.97 is: 368,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,991.45 : 649,982.82 = 267,050.97 : x
  2. Step 2: Convert to fraction form
    470,991.45/649,982.82 = 267,050.97/x
  3. Step 3: Cross multiply
    470,991.45x = 649,982.82 × 267,050.97
  4. Step 4: Simplify right side
    470,991.45x = 173,578,542,564.34
  5. Step 5: Solve for x
    x = 173,578,542,564.34/470,991.45
  6. Step 6: Final answer
    x = 368,538.63

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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.