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Finding the Fourth Proportional to 481,995.98, 722,283.53 and 268,469.95

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Solution

The fourth proportional to 481,995.98, 722,283.53 and 268,469.95 is: 402,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,995.98 : 722,283.53 = 268,469.95 : x
  2. Step 2: Convert to fraction form
    481,995.98/722,283.53 = 268,469.95/x
  3. Step 3: Cross multiply
    481,995.98x = 722,283.53 × 268,469.95
  4. Step 4: Simplify right side
    481,995.98x = 193,911,422,302.08
  5. Step 5: Solve for x
    x = 193,911,422,302.08/481,995.98
  6. Step 6: Final answer
    x = 402,309.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.