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Finding the Fourth Proportional to 250,550.81, 375,826.22 and 216,716.28

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Solution

The fourth proportional to 250,550.81, 375,826.22 and 216,716.28 is: 325,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,550.81 : 375,826.22 = 216,716.28 : x
  2. Step 2: Convert to fraction form
    250,550.81/375,826.22 = 216,716.28/x
  3. Step 3: Cross multiply
    250,550.81x = 375,826.22 × 216,716.28
  4. Step 4: Simplify right side
    250,550.81x = 81,447,660,324.86
  5. Step 5: Solve for x
    x = 81,447,660,324.86/250,550.81
  6. Step 6: Final answer
    x = 325,074.42

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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.