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Finding the Fourth Proportional to 483,551.91, 667,272.33 and 268,684.63

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Solution

The fourth proportional to 483,551.91, 667,272.33 and 268,684.63 is: 370,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,551.91 : 667,272.33 = 268,684.63 : x
  2. Step 2: Convert to fraction form
    483,551.91/667,272.33 = 268,684.63/x
  3. Step 3: Cross multiply
    483,551.91x = 667,272.33 × 268,684.63
  4. Step 4: Simplify right side
    483,551.91x = 179,285,817,427.11
  5. Step 5: Solve for x
    x = 179,285,817,427.11/483,551.91
  6. Step 6: Final answer
    x = 370,768.50

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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.