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Finding the Fourth Proportional to 481,923.56, 665,049.20 and 264,134

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Solution

The fourth proportional to 481,923.56, 665,049.20 and 264,134 is: 364,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,923.56 : 665,049.20 = 264,134 : x
  2. Step 2: Convert to fraction form
    481,923.56/665,049.20 = 264,134/x
  3. Step 3: Cross multiply
    481,923.56x = 665,049.20 × 264,134
  4. Step 4: Simplify right side
    481,923.56x = 175,662,105,392.80
  5. Step 5: Solve for x
    x = 175,662,105,392.80/481,923.56
  6. Step 6: Final answer
    x = 364,502.01

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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.