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Finding the Fourth Proportional to 481,643.28, 663,975.36 and 337,957.92

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Solution

The fourth proportional to 481,643.28, 663,975.36 and 337,957.92 is: 465,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,643.28 : 663,975.36 = 337,957.92 : x
  2. Step 2: Convert to fraction form
    481,643.28/663,975.36 = 337,957.92/x
  3. Step 3: Cross multiply
    481,643.28x = 663,975.36 × 337,957.92
  4. Step 4: Simplify right side
    481,643.28x = 224,395,731,596.85
  5. Step 5: Solve for x
    x = 224,395,731,596.85/481,643.28
  6. Step 6: Final answer
    x = 465,896.11

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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.