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Finding the Fourth Proportional to 366,963.54, 550,585.43 and 142,481.60

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Solution

The fourth proportional to 366,963.54, 550,585.43 and 142,481.60 is: 213,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.54 : 550,585.43 = 142,481.60 : x
  2. Step 2: Convert to fraction form
    366,963.54/550,585.43 = 142,481.60/x
  3. Step 3: Cross multiply
    366,963.54x = 550,585.43 × 142,481.60
  4. Step 4: Simplify right side
    366,963.54x = 78,448,293,003.09
  5. Step 5: Solve for x
    x = 78,448,293,003.09/366,963.54
  6. Step 6: Final answer
    x = 213,776.80

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1.5x scale

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.