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Finding the Fourth Proportional to 483,798.42, 726,081.57 and 259,324.74

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Solution

The fourth proportional to 483,798.42, 726,081.57 and 259,324.74 is: 389,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,798.42 : 726,081.57 = 259,324.74 : x
  2. Step 2: Convert to fraction form
    483,798.42/726,081.57 = 259,324.74/x
  3. Step 3: Cross multiply
    483,798.42x = 726,081.57 × 259,324.74
  4. Step 4: Simplify right side
    483,798.42x = 188,290,914,359.04
  5. Step 5: Solve for x
    x = 188,290,914,359.04/483,798.42
  6. Step 6: Final answer
    x = 389,192.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.