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Finding the Fourth Proportional to 483,558.94, 667,317.99 and 268,695.10

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Solution

The fourth proportional to 483,558.94, 667,317.99 and 268,695.10 is: 370,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,558.94 : 667,317.99 = 268,695.10 : x
  2. Step 2: Convert to fraction form
    483,558.94/667,317.99 = 268,695.10/x
  3. Step 3: Cross multiply
    483,558.94x = 667,317.99 × 268,695.10
  4. Step 4: Simplify right side
    483,558.94x = 179,305,074,054.85
  5. Step 5: Solve for x
    x = 179,305,074,054.85/483,558.94
  6. Step 6: Final answer
    x = 370,802.93

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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.