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Finding the Fourth Proportional to 483,554.60, 667,275.96 and 268,687.32

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Solution

The fourth proportional to 483,554.60, 667,275.96 and 268,687.32 is: 370,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,554.60 : 667,275.96 = 268,687.32 : x
  2. Step 2: Convert to fraction form
    483,554.60/667,275.96 = 268,687.32/x
  3. Step 3: Cross multiply
    483,554.60x = 667,275.96 × 268,687.32
  4. Step 4: Simplify right side
    483,554.60x = 179,288,589,392.83
  5. Step 5: Solve for x
    x = 179,288,589,392.83/483,554.60
  6. Step 6: Final answer
    x = 370,772.17

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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.