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Finding the Fourth Proportional to 301,086.70, 451,630.05 and 301,086.70

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Solution

The fourth proportional to 301,086.70, 451,630.05 and 301,086.70 is: 451,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,086.70 : 451,630.05 = 301,086.70 : x
  2. Step 2: Convert to fraction form
    301,086.70/451,630.05 = 301,086.70/x
  3. Step 3: Cross multiply
    301,086.70x = 451,630.05 × 301,086.70
  4. Step 4: Simplify right side
    301,086.70x = 135,979,801,375.34
  5. Step 5: Solve for x
    x = 135,979,801,375.34/301,086.70
  6. Step 6: Final answer
    x = 451,630.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.