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Finding the Fourth Proportional to 481,157.28, 663,976.63 and 266,277.24

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Solution

The fourth proportional to 481,157.28, 663,976.63 and 266,277.24 is: 367,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,157.28 : 663,976.63 = 266,277.24 : x
  2. Step 2: Convert to fraction form
    481,157.28/663,976.63 = 266,277.24/x
  3. Step 3: Cross multiply
    481,157.28x = 663,976.63 × 266,277.24
  4. Step 4: Simplify right side
    481,157.28x = 176,801,864,460.90
  5. Step 5: Solve for x
    x = 176,801,864,460.90/481,157.28
  6. Step 6: Final answer
    x = 367,451.29

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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.