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Finding the Fourth Proportional to 481,504.32, 664,476.84 and 266,661.36

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Solution

The fourth proportional to 481,504.32, 664,476.84 and 266,661.36 is: 367,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,504.32 : 664,476.84 = 266,661.36 : x
  2. Step 2: Convert to fraction form
    481,504.32/664,476.84 = 266,661.36/x
  3. Step 3: Cross multiply
    481,504.32x = 664,476.84 × 266,661.36
  4. Step 4: Simplify right side
    481,504.32x = 177,190,297,842.90
  5. Step 5: Solve for x
    x = 177,190,297,842.90/481,504.32
  6. Step 6: Final answer
    x = 367,993.16

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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.