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Finding the Fourth Proportional to 481,449.91, 664,392.76 and 266,585.36

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Solution

The fourth proportional to 481,449.91, 664,392.76 and 266,585.36 is: 367,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,449.91 : 664,392.76 = 266,585.36 : x
  2. Step 2: Convert to fraction form
    481,449.91/664,392.76 = 266,585.36/x
  3. Step 3: Cross multiply
    481,449.91x = 664,392.76 × 266,585.36
  4. Step 4: Simplify right side
    481,449.91x = 177,117,383,105.99
  5. Step 5: Solve for x
    x = 177,117,383,105.99/481,449.91
  6. Step 6: Final answer
    x = 367,883.30

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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.