Home / 465,133.28-641,700.75-268,770.01

Finding the Fourth Proportional to 465,133.28, 641,700.75 and 268,770.01

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Solution

The fourth proportional to 465,133.28, 641,700.75 and 268,770.01 is: 370,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,133.28 : 641,700.75 = 268,770.01 : x
  2. Step 2: Convert to fraction form
    465,133.28/641,700.75 = 268,770.01/x
  3. Step 3: Cross multiply
    465,133.28x = 641,700.75 × 268,770.01
  4. Step 4: Simplify right side
    465,133.28x = 172,469,916,991.89
  5. Step 5: Solve for x
    x = 172,469,916,991.89/465,133.28
  6. Step 6: Final answer
    x = 370,796.77

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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.