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Finding the Fourth Proportional to 300,653.70, 451,022.09 and 101,031.18

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Solution

The fourth proportional to 300,653.70, 451,022.09 and 101,031.18 is: 151,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,653.70 : 451,022.09 = 101,031.18 : x
  2. Step 2: Convert to fraction form
    300,653.70/451,022.09 = 101,031.18/x
  3. Step 3: Cross multiply
    300,653.70x = 451,022.09 × 101,031.18
  4. Step 4: Simplify right side
    300,653.70x = 45,567,293,453.61
  5. Step 5: Solve for x
    x = 45,567,293,453.61/300,653.70
  6. Step 6: Final answer
    x = 151,560.73

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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.