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Finding the Fourth Proportional to 300,557.52, 451,064.70 and 111,197.07

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Solution

The fourth proportional to 300,557.52, 451,064.70 and 111,197.07 is: 166,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,557.52 : 451,064.70 = 111,197.07 : x
  2. Step 2: Convert to fraction form
    300,557.52/451,064.70 = 111,197.07/x
  3. Step 3: Cross multiply
    300,557.52x = 451,064.70 × 111,197.07
  4. Step 4: Simplify right side
    300,557.52x = 50,157,073,020.43
  5. Step 5: Solve for x
    x = 50,157,073,020.43/300,557.52
  6. Step 6: Final answer
    x = 166,880.11

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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.