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Finding the Fourth Proportional to 551,231.20, 826,846.80 and 196,281.10

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Solution

The fourth proportional to 551,231.20, 826,846.80 and 196,281.10 is: 294,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,231.20 : 826,846.80 = 196,281.10 : x
  2. Step 2: Convert to fraction form
    551,231.20/826,846.80 = 196,281.10/x
  3. Step 3: Cross multiply
    551,231.20x = 826,846.80 × 196,281.10
  4. Step 4: Simplify right side
    551,231.20x = 162,294,399,435.48
  5. Step 5: Solve for x
    x = 162,294,399,435.48/551,231.20
  6. Step 6: Final answer
    x = 294,421.65

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Similar ratio
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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.