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Finding the Fourth Proportional to 470,793.92, 649,692.90 and 266,883.30

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Solution

The fourth proportional to 470,793.92, 649,692.90 and 266,883.30 is: 368,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,793.92 : 649,692.90 = 266,883.30 : x
  2. Step 2: Convert to fraction form
    470,793.92/649,692.90 = 266,883.30/x
  3. Step 3: Cross multiply
    470,793.92x = 649,692.90 × 266,883.30
  4. Step 4: Simplify right side
    470,793.92x = 173,392,185,138.57
  5. Step 5: Solve for x
    x = 173,392,185,138.57/470,793.92
  6. Step 6: Final answer
    x = 368,297.42

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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.