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Finding the Fourth Proportional to 516,647.68, 775,324.24 and 179,685.04

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Solution

The fourth proportional to 516,647.68, 775,324.24 and 179,685.04 is: 269,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,647.68 : 775,324.24 = 179,685.04 : x
  2. Step 2: Convert to fraction form
    516,647.68/775,324.24 = 179,685.04/x
  3. Step 3: Cross multiply
    516,647.68x = 775,324.24 × 179,685.04
  4. Step 4: Simplify right side
    516,647.68x = 139,314,167,077.37
  5. Step 5: Solve for x
    x = 139,314,167,077.37/516,647.68
  6. Step 6: Final answer
    x = 269,650.23

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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.