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Finding the Fourth Proportional to 481,464.20, 664,412.46 and 266,599.65

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Solution

The fourth proportional to 481,464.20, 664,412.46 and 266,599.65 is: 367,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,464.20 : 664,412.46 = 266,599.65 : x
  2. Step 2: Convert to fraction form
    481,464.20/664,412.46 = 266,599.65/x
  3. Step 3: Cross multiply
    481,464.20x = 664,412.46 × 266,599.65
  4. Step 4: Simplify right side
    481,464.20x = 177,132,130,783.44
  5. Step 5: Solve for x
    x = 177,132,130,783.44/481,464.20
  6. Step 6: Final answer
    x = 367,903.01

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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.