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Finding the Fourth Proportional to 551,977.06, 827,370.54 and 267,065.64

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Solution

The fourth proportional to 551,977.06, 827,370.54 and 267,065.64 is: 400,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,977.06 : 827,370.54 = 267,065.64 : x
  2. Step 2: Convert to fraction form
    551,977.06/827,370.54 = 267,065.64/x
  3. Step 3: Cross multiply
    551,977.06x = 827,370.54 × 267,065.64
  4. Step 4: Simplify right side
    551,977.06x = 220,962,242,782.25
  5. Step 5: Solve for x
    x = 220,962,242,782.25/551,977.06
  6. Step 6: Final answer
    x = 400,310.55

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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.