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Finding the Fourth Proportional to 300,693.87, 451,046.88 and 111,056.49

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Solution

The fourth proportional to 300,693.87, 451,046.88 and 111,056.49 is: 166,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,693.87 : 451,046.88 = 111,056.49 : x
  2. Step 2: Convert to fraction form
    300,693.87/451,046.88 = 111,056.49/x
  3. Step 3: Cross multiply
    300,693.87x = 451,046.88 × 111,056.49
  4. Step 4: Simplify right side
    300,693.87x = 50,091,683,318.25
  5. Step 5: Solve for x
    x = 50,091,683,318.25/300,693.87
  6. Step 6: Final answer
    x = 166,586.98

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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.