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Finding the Fourth Proportional to 365,879.20, 548,858.16 and 116,502.88

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Solution

The fourth proportional to 365,879.20, 548,858.16 and 116,502.88 is: 174,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,879.20 : 548,858.16 = 116,502.88 : x
  2. Step 2: Convert to fraction form
    365,879.20/548,858.16 = 116,502.88/x
  3. Step 3: Cross multiply
    365,879.20x = 548,858.16 × 116,502.88
  4. Step 4: Simplify right side
    365,879.20x = 63,943,556,351.50
  5. Step 5: Solve for x
    x = 63,943,556,351.50/365,879.20
  6. Step 6: Final answer
    x = 174,766.85

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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.