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Finding the Fourth Proportional to 483,426.54, 667,129.32 and 268,561.08

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Solution

The fourth proportional to 483,426.54, 667,129.32 and 268,561.08 is: 370,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,426.54 : 667,129.32 = 268,561.08 : x
  2. Step 2: Convert to fraction form
    483,426.54/667,129.32 = 268,561.08/x
  3. Step 3: Cross multiply
    483,426.54x = 667,129.32 × 268,561.08
  4. Step 4: Simplify right side
    483,426.54x = 179,164,970,678.87
  5. Step 5: Solve for x
    x = 179,164,970,678.87/483,426.54
  6. Step 6: Final answer
    x = 370,614.68

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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.