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Finding the Fourth Proportional to 259,279.52, 388,919.24 and 62,287.52

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Solution

The fourth proportional to 259,279.52, 388,919.24 and 62,287.52 is: 93,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,279.52 : 388,919.24 = 62,287.52 : x
  2. Step 2: Convert to fraction form
    259,279.52/388,919.24 = 62,287.52/x
  3. Step 3: Cross multiply
    259,279.52x = 388,919.24 × 62,287.52
  4. Step 4: Simplify right side
    259,279.52x = 24,224,814,939.88
  5. Step 5: Solve for x
    x = 24,224,814,939.88/259,279.52
  6. Step 6: Final answer
    x = 93,431.27

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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.