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Finding the Fourth Proportional to 300,510.14, 450,993.69 and 111,149.62

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Solution

The fourth proportional to 300,510.14, 450,993.69 and 111,149.62 is: 166,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,510.14 : 450,993.69 = 111,149.62 : x
  2. Step 2: Convert to fraction form
    300,510.14/450,993.69 = 111,149.62/x
  3. Step 3: Cross multiply
    300,510.14x = 450,993.69 × 111,149.62
  4. Step 4: Simplify right side
    300,510.14x = 50,127,776,138.41
  5. Step 5: Solve for x
    x = 50,127,776,138.41/300,510.14
  6. Step 6: Final answer
    x = 166,808.94

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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.