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Finding the Fourth Proportional to 452,858.92, 679,281.39 and 115,896.69

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Solution

The fourth proportional to 452,858.92, 679,281.39 and 115,896.69 is: 173,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,858.92 : 679,281.39 = 115,896.69 : x
  2. Step 2: Convert to fraction form
    452,858.92/679,281.39 = 115,896.69/x
  3. Step 3: Cross multiply
    452,858.92x = 679,281.39 × 115,896.69
  4. Step 4: Simplify right side
    452,858.92x = 78,726,464,679.60
  5. Step 5: Solve for x
    x = 78,726,464,679.60/452,858.92
  6. Step 6: Final answer
    x = 173,843.25

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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.