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Finding the Fourth Proportional to 551,528.26, 827,293.02 and 172,451.02

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Solution

The fourth proportional to 551,528.26, 827,293.02 and 172,451.02 is: 258,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,528.26 : 827,293.02 = 172,451.02 : x
  2. Step 2: Convert to fraction form
    551,528.26/827,293.02 = 172,451.02/x
  3. Step 3: Cross multiply
    551,528.26x = 827,293.02 × 172,451.02
  4. Step 4: Simplify right side
    551,528.26x = 142,667,525,137.88
  5. Step 5: Solve for x
    x = 142,667,525,137.88/551,528.26
  6. Step 6: Final answer
    x = 258,676.73

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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.