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Finding the Fourth Proportional to 366,961.54, 550,582.43 and 142,479.60

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Solution

The fourth proportional to 366,961.54, 550,582.43 and 142,479.60 is: 213,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.54 : 550,582.43 = 142,479.60 : x
  2. Step 2: Convert to fraction form
    366,961.54/550,582.43 = 142,479.60/x
  3. Step 3: Cross multiply
    366,961.54x = 550,582.43 × 142,479.60
  4. Step 4: Simplify right side
    366,961.54x = 78,446,764,393.43
  5. Step 5: Solve for x
    x = 78,446,764,393.43/366,961.54
  6. Step 6: Final answer
    x = 213,773.80

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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.