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Finding the Fourth Proportional to 412,039.89, 568,567.02 and 239,995.56

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Solution

The fourth proportional to 412,039.89, 568,567.02 and 239,995.56 is: 331,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,039.89 : 568,567.02 = 239,995.56 : x
  2. Step 2: Convert to fraction form
    412,039.89/568,567.02 = 239,995.56/x
  3. Step 3: Cross multiply
    412,039.89x = 568,567.02 × 239,995.56
  4. Step 4: Simplify right side
    412,039.89x = 136,453,560,362.43
  5. Step 5: Solve for x
    x = 136,453,560,362.43/412,039.89
  6. Step 6: Final answer
    x = 331,165.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.