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Finding the Fourth Proportional to 481,304.56, 664,178.76 and 266,429.44

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Solution

The fourth proportional to 481,304.56, 664,178.76 and 266,429.44 is: 367,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,304.56 : 664,178.76 = 266,429.44 : x
  2. Step 2: Convert to fraction form
    481,304.56/664,178.76 = 266,429.44/x
  3. Step 3: Cross multiply
    481,304.56x = 664,178.76 × 266,429.44
  4. Step 4: Simplify right side
    481,304.56x = 176,956,775,086.69
  5. Step 5: Solve for x
    x = 176,956,775,086.69/481,304.56
  6. Step 6: Final answer
    x = 367,660.71

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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.