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Finding the Fourth Proportional to 551,874.20, 827,373.90 and 302,556.20

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Solution

The fourth proportional to 551,874.20, 827,373.90 and 302,556.20 is: 453,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,874.20 : 827,373.90 = 302,556.20 : x
  2. Step 2: Convert to fraction form
    551,874.20/827,373.90 = 302,556.20/x
  3. Step 3: Cross multiply
    551,874.20x = 827,373.90 × 302,556.20
  4. Step 4: Simplify right side
    551,874.20x = 250,327,103,163.18
  5. Step 5: Solve for x
    x = 250,327,103,163.18/551,874.20
  6. Step 6: Final answer
    x = 453,594.50

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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.