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Finding the Fourth Proportional to 516,879.26, 713,188.83 and 301,977.82

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Solution

The fourth proportional to 516,879.26, 713,188.83 and 301,977.82 is: 416,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,879.26 : 713,188.83 = 301,977.82 : x
  2. Step 2: Convert to fraction form
    516,879.26/713,188.83 = 301,977.82/x
  3. Step 3: Cross multiply
    516,879.26x = 713,188.83 × 301,977.82
  4. Step 4: Simplify right side
    516,879.26x = 215,367,210,155.65
  5. Step 5: Solve for x
    x = 215,367,210,155.65/516,879.26
  6. Step 6: Final answer
    x = 416,668.32

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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.