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Finding the Fourth Proportional to 481,596.10, 665,049.36 and 360,527.20

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Solution

The fourth proportional to 481,596.10, 665,049.36 and 360,527.20 is: 497,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,596.10 : 665,049.36 = 360,527.20 : x
  2. Step 2: Convert to fraction form
    481,596.10/665,049.36 = 360,527.20/x
  3. Step 3: Cross multiply
    481,596.10x = 665,049.36 × 360,527.20
  4. Step 4: Simplify right side
    481,596.10x = 239,768,383,622.59
  5. Step 5: Solve for x
    x = 239,768,383,622.59/481,596.10
  6. Step 6: Final answer
    x = 497,861.97

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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.