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Finding the Fourth Proportional to 481,482.30, 664,380.41 and 266,616.84

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Solution

The fourth proportional to 481,482.30, 664,380.41 and 266,616.84 is: 367,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,482.30 : 664,380.41 = 266,616.84 : x
  2. Step 2: Convert to fraction form
    481,482.30/664,380.41 = 266,616.84/x
  3. Step 3: Cross multiply
    481,482.30x = 664,380.41 × 266,616.84
  4. Step 4: Simplify right side
    481,482.30x = 177,135,004,139.02
  5. Step 5: Solve for x
    x = 177,135,004,139.02/481,482.30
  6. Step 6: Final answer
    x = 367,895.15

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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.