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Finding the Fourth Proportional to 551,558.72, 827,340.24 and 364,528.64

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Solution

The fourth proportional to 551,558.72, 827,340.24 and 364,528.64 is: 546,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,558.72 : 827,340.24 = 364,528.64 : x
  2. Step 2: Convert to fraction form
    551,558.72/827,340.24 = 364,528.64/x
  3. Step 3: Cross multiply
    551,558.72x = 827,340.24 × 364,528.64
  4. Step 4: Simplify right side
    551,558.72x = 301,589,212,504.47
  5. Step 5: Solve for x
    x = 301,589,212,504.47/551,558.72
  6. Step 6: Final answer
    x = 546,794.39

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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.