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Finding the Fourth Proportional to 322,552.40, 483,245.40 and 275,896.40

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Solution

The fourth proportional to 322,552.40, 483,245.40 and 275,896.40 is: 413,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,552.40 : 483,245.40 = 275,896.40 : x
  2. Step 2: Convert to fraction form
    322,552.40/483,245.40 = 275,896.40/x
  3. Step 3: Cross multiply
    322,552.40x = 483,245.40 × 275,896.40
  4. Step 4: Simplify right side
    322,552.40x = 133,325,666,176.56
  5. Step 5: Solve for x
    x = 133,325,666,176.56/322,552.40
  6. Step 6: Final answer
    x = 413,345.76

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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.