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Finding the Fourth Proportional to 483,798.89, 667,643.24 and 268,937.08

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Solution

The fourth proportional to 483,798.89, 667,643.24 and 268,937.08 is: 371,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,798.89 : 667,643.24 = 268,937.08 : x
  2. Step 2: Convert to fraction form
    483,798.89/667,643.24 = 268,937.08/x
  3. Step 3: Cross multiply
    483,798.89x = 667,643.24 × 268,937.08
  4. Step 4: Simplify right side
    483,798.89x = 179,554,022,450.57
  5. Step 5: Solve for x
    x = 179,554,022,450.57/483,798.89
  6. Step 6: Final answer
    x = 371,133.60

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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.